Will 35% cotton and 65% polyester shrink?
8 mins read

Will 35% cotton and 65% polyester shrink?

If you’re in the market for new clothing, you’ve likely come across garments that are made from a blend of cotton and polyester. This combination is common in many types of clothing, including t-shirts, athletic wear, and even dress shirts. One question that often comes up when it comes to these blends is whether or not they will shrink after being washed. In this article, we’ll explore the topic of cotton-polyester blends and shrinkage in detail, so you can understand what to expect from your clothing and how to care for it properly.

Understanding Cotton-Polyester Blends

Cotton and polyester are two of the most popular fabrics used to make clothing. Cotton is soft, comfortable, and breathable, but it can also be prone to shrinking and wrinkles. Polyester, on the other hand, is durable, easy to care for, and often wrinkle-resistant, but it can be less comfortable to wear than cotton. Blending these two fabrics together creates a combination that brings together the best of both worlds. The cotton provides softness and breathability, while the polyester adds strength, durability, and improved moisture-wicking properties.

Cotton-polyester blends are commonly used in a variety of clothing items, including t-shirts, sweatshirts, and athletic wear. The combination of these two fabrics allows for a comfortable and durable garment that can withstand frequent washing and wear. Additionally, cotton-polyester blends are often more affordable than garments made from 100% cotton or 100% polyester, making them a popular choice for both consumers and manufacturers.

The Science Behind Shrinkage – What Causes it?

Shrinkage occurs when fabric fibers constrict and compress in response to heat and moisture. Heat and moisture can break down the molecular bonds between fibers, causing them to move closer together and resulting in a reduction in the overall size of the fabric. Cotton is particularly prone to shrinking because its fibers are more likely to move and compress in this way. Polyester, on the other hand, is less likely to shrink because its fibers have a more stable molecular structure that is less affected by heat and moisture.

However, it’s not just the type of fabric that determines how much it will shrink. The way the fabric is woven and finished can also play a role. For example, a tightly woven fabric is less likely to shrink than a loosely woven one. Additionally, fabrics that have been pre-shrunk or treated with chemicals to prevent shrinkage may be less likely to shrink in the future. It’s important to read the care instructions on clothing labels to ensure that you are washing and drying your clothes in a way that will minimize shrinkage.

How to Determine if Your Clothing Will Shrink

The amount of shrinkage that your cotton-polyester blend clothing will experience depends on a few factors, including the specific blend of fabrics, the quality of the manufacturing process, and how you care for your clothing. One way to determine if your clothing is likely to shrink is to check its care label. Most manufacturers will provide detailed instructions on how to care for their clothing, including guidelines on washing, drying, and ironing. If the label states that the clothing is machine washable, for example, and can be dried on low heat, it’s likely that the clothing will experience some level of shrinking over time.

Another way to determine if your clothing will shrink is to do a test wash. Take a small piece of the fabric, such as a hem or seam, and wash it according to the care label instructions. Measure the piece of fabric before and after washing to see if there is any shrinkage. If there is, you can expect the rest of the clothing to shrink similarly. Keep in mind that some fabrics, such as wool and silk, are more prone to shrinking than others, so it’s important to be extra cautious when washing and drying these types of clothing.

Tips for Preventing Cotton-Polyester Blend Clothing from Shrinking

If you want to minimize the amount of shrinkage that occurs with your cotton-polyester blend clothing, there are a number of steps that you can take. First, make sure to always follow the care instructions provided by the manufacturer. This might mean washing your clothing in cold water, air-drying it, or using a low-heat setting on your dryer. You can also try pre-treating your clothing with a fabric softener or a specially-formulated shrinking prevention spray, which can help to keep fibers from compressing in the wash.

Can You Unshrink Your Clothes?

Unfortunately, once fabric fibers have compressed in the wash and caused shrinking, it is generally not possible to “unshrink” them. However, there are a few tricks that you can try to stretch out your clothing and regain some of its original size. For example, you might try soaking your clothing in water and hair conditioner, which can help to relax the fibers and make them more pliable. You can also try stretching your clothing gently after a wash and laying it flat to dry, which may help to restore some of its original shape.

The Pros and Cons of Cotton-Polyester Blend Clothing

So, why choose cotton-polyester blend clothing in the first place? As we mentioned earlier, these blends offer a number of benefits, including improved durability and moisture-wicking properties. They also tend to be more affordable than clothing made from 100% cotton or other natural fibers, which can be a major selling point for budget-conscious shoppers. However, there are also some downsides to consider. For example, cotton-polyester blends may not be as breathable or comfortable as 100% cotton clothing, and they can also be more prone to pilling or snagging.

How to Care for Your Cotton-Polyester Blend Clothing

To ensure that your cotton-polyester blend clothing stays looking great for as long as possible, it’s important to take good care of it. This means following the care instructions provided by the manufacturer, as well as taking a few extra steps to keep your clothing in top condition. For example, always make sure to separate colors before washing, and avoid washing your clothing with items that have metal zippers or other hardware that can snag the fabric. You can also try using a mild detergent and avoiding bleach or other harsh chemicals, which can weaken the fibers and cause them to break down over time.

Common Misconceptions About Shrinkage in Clothing

Finally, it’s worth debunking a few common misconceptions about shrinkage in clothing. For example, some people believe that washing their clothing in hot water will help to remove stains or kill bacteria, but this can actually increase the chances of shrinking. Similarly, some people think that drying their clothes on high heat will speed up the drying process, but this can also lead to shrinkage and damage to the fabric. By understanding the science behind shrinking and taking the proper steps to care for your clothing, you can avoid these common pitfalls and keep your clothes looking and feeling great for years to come.

Alternatives to Cotton-Polyester Blend Clothing

Of course, cotton-polyester blends are just one option when it comes to choosing clothing. If you’re not a fan of these blends, there are a number of other materials to explore, including 100% cotton, wool, silk, and synthetic fibers like nylon or spandex. Each material has its own strengths and weaknesses, so it’s important to choose based on your personal preferences and needs. By doing your research and taking good care of your clothing, you can ensure that your wardrobe stands the test of time.