What is the difference between knit fabrics and woven ...
Jun. 24, 2024
What is the difference between knit fabrics and woven ...
As a seasoned seamstress, I tend to take it for granted that people know the difference between a knit and woven fabric, but plenty of people dont. As evidenced by the questions I get at least once a week both in my clothing shop and my pattern shop like: Can I use 100% cotton with this pattern? or Is this dress made of cotton or is it stretchy?
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The problem with both questions is that fabrics can be knit/stretch and be 100% cotton. But people have come to confuse 100% cotton with woven.
When you think of woven fabrics, think of fabric youd use to make a quilt or curtains or upholstery. Woven fabric is generally crisp and not stretchy*. It can be as thin as chiffon or as thick as denim.
*Some woven fabrics, like stretch denim or stretch poplin, have spandex woven in to give it some stretch. A stretch poplin may have 15% stretch across the grain, which means a 10 piece of fabric can stretch up to 11.5.
When you think of knit fabrics, think of t-shirts and leggings. Knit fabric is usually stretchy and supple. It can be as thin as mesh or as thick as sweatshirt fleece.
Knit fabrics tend to offer a superior amount of stretch compared with wovens, perhaps 30-50% for a t-shirt or up to 100% for something like a nylon spandex. 50% stretch would mean a 10 piece of fabric can stretch up to 15. 100% would mean a 10 piece of fabric could stretch up to 20. Thats quite a difference from the 11.5 from the stretch poplin example.
This handy little drawing (courtesy of Threads magazine) is a close-up of how woven fabric is constructed. Notice its a sort of basket-weave pattern, with the threads running perpendicular to each other. Each thread is separate from the next, meaning that when its cut, the edges fray.
This is a close up of a knit fabric. Knit fabric is called knit fabric because it is literally knit- very similar to the way you would knit a sweater with a ball of yarn and knitting needles. Its just usually done on a much smaller scale: tiny needles a very thin yarn. Knit fabric is all one continuous piece of thread (or close to it), so a raw edge usually wont unravel the way it would on a woven fabric. And all of those interlocking loops are what allows for the natural stretchiness.
So what about all that 100% cotton stuff? Knits come in the same variety of fiber contents as woven: 100% cotton, 100% polyester, cotton/polyester blends, cotton/spandex blends, wool, nylon, rayon, etc.
Im personally quite fond of the cotton/spandex or cotton/lycra blends. (Spandex and lycra are exactly the same thing, by the way. Its the difference between tissue and Kleenex: spandex is the generic name, Lycra is the trademarked name.)
Cotton/spandex jersey looks and feels almost the same as a 100% cotton, but I actually find it softer, and it offers a really awesome amount of stretch and elastic recovery: meaning it returns to its normal size after being stretched. If youve ever worked with a 100% cotton rib knit, you may have noticed that once it stretches, it doesnt always unstretch all the way. Next time try a cotton/spandex rib knit. Youll thank me.
So one of the questions that is often asked is Can I use a woven fabric for a pattern that calls for knit or vice versa. If the pattern calls for knits, there is very little chance youd be able to substitute a woven, even a woven with some stretch. The reason is that most knit patterns wont have a closure like a zipper or buttons, relying on their stretch so that you can just pull them on. Think about the difference between a pair of leggings and a pair of non-stretch jeans: theres a reason the jeans have a fly. You probably wouldnt be able to get them on otherwise.
Aside from the closure issue, theres the issue of fit. Woven patterns often rely on darts and fitted seams to make a garment fit the curves of the body. Knit fabrics tend to forgo darts and extra seams, instead relying on their natural stretch to fit the body. At best, using a woven fabric with a pattern meant for knits will result in something that fits like a paper bag. At worst, you wont even be able to get it on.
Sometimes you may be able to use a knit fabric with a pattern that calls for wovens. It really depends on the pattern and the particular fabric. Some patterns might be relying on the structure of the woven fabric to look right, and a knit fabric would sag in all the wrong places. But if youre dying to use a pattern youve got for woven fabrics, but the fabric youre set on is a knit, give it a shot. You never know until you try it.
In my experience, most commercial sewing patterns are for woven fabrics. My patterns are a mix. The bustle and apron patterns work best with wovens. The rest require knit fabrics.
Unless you live in a big city like LA or New York with a sweet garment district, chances are your local fabric store carries mostly wovens. Id estimated that at least 85% of the fabric at the closest Joann Fabrics is woven.
Where to find knit fabrics? Here are some of my favorite online sources: Fabric.com, theFabricFairy, and GirlCharlee. There are also plenty of suppliers on Etsy and Ebay, like funkalicious fabrics and fabric_addiction.
It can be difficult to deduce whether or not a fabric online is what youre looking for, so the rule of thumb for knits is: if it doesnt say it stretches in the description, its probably safer to assume its not a knit. Other words you might see instead of knit could be: jersey, interlock, ribbing, spandex, or simply stretch fabric.
Source Fabric for your Clothing Line: The Complete Guide
When you have an idea for a clothing line, or youre working as a freelance fashion designer, you might have to source fabric.
What is Fabric Sourcing?
Fabric sourcing is the industry way of saying finding a supplier who has the fabric you need for sale. This is how fashion designers get their fabric. They source or find and buy it from varying suppliers. This guide is going to tell you exactly how to do that, step-by-step, whether youre looking to source fabric in the USA or online.
Unless youve been in the fashion industry for a while, knowing how to source fabric (and trims!) can be really overwhelming.
This guide is going to walk you through how to source fabric with low minimums, where to find suppliers, and the pros / cons of different types of vendors and fabric options.
How to Source Fabric: The Simplified Step-By-Step ProcessThere are many options to source fabric when starting a clothing line. Lets start with a 10,000-foot view of what the process looks like:
- You send cuttings of fabrics you like (reference swatches) to suppliers youve researched
- The supplier sends you similar swatches for fabric they carry (headers)
- You pick what you like and order a small quantity (sample yardage) to make prototypes for testing (using a tech pack)
- You test wear / wash the garments to make sure the fabric is perfect
- You order a large quantity (bulk yardage) for production
Now this is a reeeally, REEEALY, REEEALY zoomed out view. There are a lot more details to this process, and this guide will go through all of them!
(Psst! You can also use these exact strategies to source trims + findings like zippers, buttons, ribbon, etc!)
Well go through all the details about types of fabric, types of suppliers, and must-know terminology first. Then Ill share a simple step-by-step process you can easily follow to source fabric today.
Where NOT to Source Fabric for your Fashion Brand or your ClientsLets get this out of the way first, because its a mistake TONS of designers make.
Project Runway feels glamorous, and it may be your only exposure to real fashion. But the problem is that its pretty, well, unreal.
Sourcing fabric at Mood (or the Garment District, Joanns or your local craft store) is exactly what you dont want to do. Youre paying FULL RETAIL, which is at least 2x what you should be paying.
Retail stores have markups, and you and your clients dont need to pay them. This guide is going to show you where and how to buy fabric wholesale (even if you only need a few yards) no matter where you live.
Is starting a clothing line even a good idea? The answer will surprise you.
What Fabric Do You Need for Your Clothing Line?The best way to figure out what fabric you need for your fashion brand or your clients line is to see whats already in the market and find a reference sample. This is called counter sourcing, and its the easiest way to find the materials you need.
You can do this a couple ways:
- Look in your closet: You may already have the perfect coat or pair of leggings that has the fabric you want to use. It doesnt matter if the labels are torn out and you dont know what the contents are; you can use this as a reference to source fabric + trims. This is a great option because you already know the fabrics wear and wash well.
- Shop the market: Go to your favorite stores and find something similar to what you want. Ask the sales reps what fabrics are selling best right now. They are often super knowledgeable and always happy to share. You dont need to tell them about your brand, just ask: What fabrics are doing really well for lounge pants, Im looking for something that wont pill, doesnt collect lint and hair and feels like butter! Buy a few options and then wear them! Wash them! Love them hard to make sure they hold up!
Once you have a reference sample (or a few), you know what fabric youre trying to source wholesale.
Must Know Fabric Sourcing Terms Pin this so you can find it later!Before you start to source fabric for your clothing line or your freelance clients, here are some basic details you should be familiar with.
- End Use: What will the fabric be used for? Leggings, outerwear, dresses? You probably have this figured out by your reference samples and what you want to design, but make sure you know this before you approach any suppliers.
- Content: What is the fabric made up of? 100% Cotton, 100% polyester, a blend? If you have a reference garment, use that content as a starting point. If not, look at similar garments in the market. (Not familiar with fabrics and fibers? Heres a Fabric Dictionary and Fiber Dictionary to help you out!)
- Fabric Weight: This is calculated by how many grams per square meter (GSM) a fabric weighs. You dont need to calculate this, but its good to understand what it means. When someone asks what weight youre looking for, you can say Im not sure of the exact weight, I have a reference sample and its being used for a summer jogging pant. This is enough to get started!
- Fabric Construction: This is how the fabric is made. The two most common types of construction are knits and wovens. Knits are made up of a single yarn that is sort of braided together to create the fabric. Wovens are made up of many yarns that run right to left (called weft) and top to bottom (called warp), weaving over and under each other to create the fabric. When you begin to source fabric, the first question theyll probably ask is if you need a knit or a woven. If you dont know, tell them the end use and the supplier can help. Here are a few examples:
- Knits: leggings, bathing suits, t-shirts, underwear
- Wovens: button down dress shirts, jeans, bed sheets
- Special Finishes / Treatments: Does the fabric need to be waterproof, anti-bacterial or require a distressed look? You may not know the exact treatment needed (thats ok), but decide if you want a specific function or look so you can communicate it to your supplier.
- Minimum Order Quantity (MOQ): The minimum number of yards you have to buy. May vary for sample vs bulk orders.
In Stock Fabric
This is fabric that is in stock and ready to buy. The colors, quality and any finishes are done and you buy it off or by the roll as is. This may feel limiting, but its actually a great option.
Pros of Buying In Stock Fabric:
- Its available immediately
- Its in stock (meaning it should be available in 6 months when you need to reorder, but always confirm continuity that they stock the fabric and guarantee color matching)
- MOQs are typically much lower (some places let you buy just 1 yard)
Cons of Buying In Stock Fabric
- Limited customization (beyond printing or embellishing)
- You cant get the exact color or quality you want
- Other brands can use the same fabric
Deadstock Fabric
This is fabric that is leftover or rejected. It may be an overrun from another brand, or didnt pass quality control inspections.
Pros of Buying Deadstock Fabric:
- Its available immediately
- Limited availability (can be a selling point)
Cons of Buying Deadstock Fabric
- Limited availability (if it sells well, theres no more)
- It may not be the best quality (inspect and do your research)
Theres controversy about whether deadstock fabric is sustainable. Do your own research to see if its the right choice for you.
Greige Goods
Greige goods/yardage is raw fabric that is unbleached and undyed, ready for custom colors, finishes or treatments. (Its a neutral color combo of grey + beige = greige!)
Typically youll buy a large quantity from the fabric mill and then have smaller cuts dyed and finished per your specifications.
Pros of Buying Greige Goods:
- Fully customizable for colors, finishes or treatments
Cons of Buying Greige Goods:
- Large minimums (500-+ yards)
- More moving parts (you have to have it dyed / finished elsewhere)
- Overhead and deadlines (you have to store whatever you dont dye / finish, and raw fabric will deteriorate over time)
- Long lead times (a couple months +)
Types of Suppliers to Source Fabric from (plus pros / cons of each)Fashion Startup Advice: In-stock or deadstock fabrics are a great low risk and low minimum place to start. Buying greige goods is a huge investment, can incur big liabilities and typically isnt worth it for small or startup fashion brands.
If you want to learn more, please visit our website Qicai.
Additional reading:The Difference Between Class 1, 2, and 3 Safety Vests
10 Questions You Should to Know about microfiber fabric roll
Unlock the Secret to Spotless Cleaning with Microfiber Diamond Cloth
Exploring the World of Weft Knitting Techniques
The Benefits of Using Waffle Microfiber Cloth: A Comprehensive Guide
How do I clean a microfiber waffle cloth?
Expert Tips: How to Choose the Best Microfiber Glass Cleaning Cloth
What is a Fabric Mill (vs house vs factory)?
Pin this so you can find it later!A fabric mill takes the raw materials and creates fabric by weaving, knitting, etc. MOQs are often very high (500-+ yards) but they do allow for complete customization.
A fabric house takes the raw fabrics (greige goods) and dyes, finishes or treats them.
A factory is where the fabric is cut and sewn into finished products.
Unless youre an established brand ready to order s of yards, you probably wont be working directly with a fabric mill.
Pros of Buying from a Mill:
- Lowest prices
- Fully customizable
Cons of Buying from a Mill:
- Very high MOQ
- Youre buying raw fabric (and still have to coordinate dyeing / finishing etc)
What is a Fabric Agent / Rep?
A fabric agent is a representative of many fabric suppliers and is a liaison for you. Their fee is usually built into the fabric cost, so you will pay a little more (in my experience about 3-5%), but their relationships, knowledge and time theyll save you can be worth it.
If you cant find the right fabric, get ghosted by mills, or arent sure what youre looking for, an agent can simplify and streamline the process.
Think of a fabric agent like this:
Pin this so you can find it later!Pros of Buying from an Agent:
- Access to more suppliers
- Streamlines the process
Cons of Buying from an Agent:
- Costs a little more
Fashion Startup Advice: Agents can be amazing. You can find them either at trade shows or through online research, and when youve get a good one who understands your needs and serves you well, hold on to them! Ive worked with many in my career who helped source fabric for tons of products ranging from outerwear to underwear.
What is a Converter
A converter buys greige goods (raw fabric) directly from the mill, dyes / finishes it, and then sells it. They tend to stock on-trend colors + prints that are sold with lower MOQs (sometimes just 1 roll). Some converters will also offer custom dyeing / finishing of greige goods with lower MOQs than you can get from a mill (a few hundred yards).
Pros of Buying from a Converter:
- Immediately available
- On-trend colors
- Available for reorders (confirm continuity)
- Lower MOQ than from the mill
Cons of Buying from a Converter:
- Other brands can use the same fabric
- Limited customization
Fashion Startup Advice: Converters are a great middleman for low MOQs and on-trend fabrics.
What is a Jobber?
Jobbers have been around in fashion for a really long time. They buy mill ends or small lots of leftovers from fabric mills and resell it for a profit.
Pros of Buying from a Jobber:
- Available immediately (if you choose from whats in stock)
- Low minimums (often just 1 yard)
Cons of Buying from a Jobber:
- Higher prices than buying directly from a mill
- Typically not reorderable and cant guarantee continuity (matching color + quality over time)
Fashion Startup Advice: You can find good jobbers, but theyre hard to come by. They have a reputation for misleading and saying things will be in stock or continuous when they wont.
Full Package Production (FPP)
An FPP is a provider who can take you from napkin sketch to finished production for your startup clothing line, including sourcing your fabric and trims. When youre working with an FPP, all you need to get started is an idea.
Thats because theyre a one-stop shop that will help you through every step of the fashion startup process (which of course costs more). However, the time and mistakes theyll save you from can quickly make up for the additional expense.
Ive interviewed a few great FPP providers on my podcast. Here are a few episodes to help you learn more about how they work:
Where to Find Low Minimum Fabric Suppliers for My Clothing Line?There are a few places to find fabric mills, jobbers, converters, agents or FPP providers for your clothing line. The two best options are trade shows and online. Each of these offers plenty of low minimum options.
Trade Shows
Often, there is a sourcing section at fashion trade shows. But there are specific fabric sourcing shows too.
If you cant physically go to a trade show, look through the list of vendors (you can find this on the trade show website) and contact them directly.
Textile trade shows where you can source fabric + buy wholesale. Many of these fabric vendors have sustainable and eco-friendly fabrics, offer low minimums, and are located around the world USA, Paris, London, and beyond.
Online
The easiest place to start is looking through the vendors listed at trade show websites. But if you still cant find what you need, dig deeper online.
A lot of wholesale fabric suppliers are old school and dont have the greatest online presence, so this can be a rabbit hole. But with some digging and googling you can find great options. Dont be afraid to pick up the and call them. It can be a lot easier to quickly get what you need than waiting for an (that may never get answered).
Online resources where you can source fabric + buy wholesale:
What to Do Once Youve Found Fabric SuppliersThe next step is to ask for sample swatches. If you know the specs (weight, construction, finishes, etc), the supplier may be able to send you swatches from that info.
Otherwise, youll send them swatches of your reference fabrics (the garments you bought or pulled from your closet, and yes this means you have to cut those garments up). The supplier will find similar fabrics and send you samples.
Most suppliers do charge for swatches + shipping, so be prepared to pay for this. (If youre sourcing for a freelance client, the client should pay for any hard costs like these.)
Once you have swatches, decide which fabrics you like or get approval from your client and buy sample yardage. The price per yard may be higher than buying for bulk, but do not skip this step. Sew up some samples for wash / wear testing to make sure the fabric is perfect before ordering bulk yardage (use a tech pack for sample / bulk production).
Must Know Fabric Details for SourcingYoull be talking to a lot of people and looking through a lot of swatches when sourcing. Make sure to keep detailed notes about who you talked to, where swatches came from, and all the fabric details.
Most suppliers will send their swatches on header cards or hangers. These informational cards are attached to the fabric and include details like the supplier, content, weight, etc. They look like this:
Photo credit: Vend Fabrics LTDIf the header card doesnt include the following details, ask for the information and take your own notes:
- Supplier
- Article or Item # (so you know what to order)
- Fabric Weight
- Content
- Construction
- Width
- Price (sample vs bulk)
- MOQ (sample vs bulk, surcharges, etc)
- Delivery lead time
- Country of origin
- Care instructions
Youll want all this information for your tech pack!
Payments + Timelines for Custom Wholesale FabricIf your fabric is being custom dyed or developed, pay 50% down and 50% when the shipment is ready. Do not pay 100% up front. (For in-stock, deadstock or other available fabric, youll simply order what you need and pay up front.)
Custom development can take a few months. While your fabric is being developed, keep in touch with your supplier every couple of weeks to see how things are going and get status updates.
(In fashion, its very typical to check up on your factories and suppliers frequently to make sure things are on track. Dont feel like youre pestering!)
Is starting a clothing line even a good idea? The answer will surprise you.
If youve been ghosted by fabric suppliers, chances are its because:
- You sent too much or not enough detail
- You didnt sound like you knew what you were talking about
- You didnt seem serious enough
There are a lot of people out there who want to start a clothing line, and suppliers get a lot of inquiries. Your message may get pushed to the bottom and never answered.
Heres what you want to include in your :
- Your ideal MOQs (minimum order quantities) and target price (if you have one)
- Any special construction requirements (ie seam-sealed)
- What you do (or dont) have sourced
- Your ideal delivery date
This guide covered a lot of types of suppliers, processes and steps along the way for sourcing fabric. It can be an overwhelming part of the whole process of starting a clothing line but its an important step to make sure youre ready to reach out to factories!
So to review, if youre starting a clothing line or freelancing with limited knowledge on fabric sourcing, heres what to do, step-by-step:
Pin this so you can find it later!- Find reference samples for your desired garment by shopping the market.
- Research suppliers from the trade show vendor listings to see if any specialize in your category (active, outerwear, lingerie, etc).
- Contact suppliers once you have an idea of what youre looking for. Use the free templates Ive provided, and remember, sometimes picking up the is easier! Have a list of questions ready to ask (swipe these from my templates!).
- Order swatches and choose the best fabric for your design.
- Order sample yardage to make some sample garments.
- Test the sample garments. Wear them. Wash them. Wear them. Wash them. Wear them. Wash them. A LOT! Give samples to people in your target market for feedback.
- If the fabric doesnt work, go back to the suppliers with comments about what you did / didnt like to see other options. If the fabric does work, then order bulk yardage to begin production (using a tech pack).*
*There are a lot more steps to launching a clothing line, such as marketing, pre-selling, etc. that youll need to explore as well! But this guide is about sourcing, not marketing, so were keeping it super simple and focused on getting fabrics and trims for your clothing line. Make sure to check out the Successful Fashion Freelancer podcast to learn more about how you can help your clients kickstart their brands!
A couple things I would NOT do (that I see a lot of newbie freelancers and startup designers trying to do):
- Develop custom fabric or get custom colors dyed. Its too expensive, takes too long, and MOQs are too high. The risk is too big when youre just starting out, and there are plenty of great options available in-stock.
- Skip using an agent because its a little more expensive. A relationship with a good agent is priceless and is worth every penny.
Time to take action on launching your clothing brand!
Now that you understand the process of sourcing low minimum fabrics and trims for a small clothing line, its time to take action! Dont overthink it. Use the links and free templates Ive provided to reach out to suppliers who are a good fit for you and your clients, and keep track of what you learn! Before you know it, youll be another step closer to your freelance biz goals and getting your fashion designs into production.
If you want to learn more, please visit our website knitting fabric manufacturer.
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