Natural vs. Synthetic Fabrics: Their Impact on Your Body

I hate to break it to you, but it’s time to hang up the Lululemon, Vuori, and Alo… for good. Since my diagnosis I have been heavily gravitating toward natural fibers– linen literally promotes healing in the human body! But recent studies correlating lowered progesterone levels and sperm counts from polyester exposure have me convinced, synthetic fabrics have got to go! 

Synthetic Fabrics

Synthetic fabrics are man-made from chemical compounds and petroleum-based products. They are often less expensive than natural fabrics and can have specific performance properties. Here are some commonly used synthetic fabrics:

• Polyester: A widely used synthetic fiber known for its durability, wrinkle resistance, and quick-drying properties. However, it is not very breathable.

• Nylon: A strong and elastic synthetic fabric that is often used in sportswear and hosiery. It is less breathable than natural fabrics.

• Acrylic: A synthetic fiber that resembles wool in texture and warmth. It is lightweight and resistant to fading but can pill easily.

With the rise of athleisure (and fast fashion) as a wardrobe staple in the last decade or so, many of our closets have been filled with synthetic fabrics. While they may seem on-trend and durable for working out, there are some significant downsides to synthetics including:

• Trapping heat

• Harboring bacteria

• Transferring chemicals from production through skin

• Hormone disruption

Yes, that’s right, hormone disruption. Several studies have shown that long-term exposure to polyester and polyester blends– think underwear and tight leggings– can drastically reduce progesterone levels in women. Progesterone is the hormone responsible for mitigating PMS symptoms and maintaining a healthy pregnancy. In males, long-term exposure to polyester caused a reduction in sperm count and motile sperm and an increase in abnormal sperm. Let that sink in for a moment. Our clothes are literally making us infertile. 

Natural Fabrics

Natural fabrics are derived from plant or animal sources. They are often praised for their breathability, comfort, and eco-friendliness. Let's take a look at some common natural fabrics:

• Linen: Made from flax fibers, linen is known for its lightweight and breathable qualities. It is also highly durable and absorbent.

• Wool: Sourced from animal fleece, wool is a natural insulator, keeping you warm in cold weather and cool in warm weather. It also has moisture-wicking properties.

• Cotton: Derived from the cotton plant, cotton is soft, breathable, and absorbent. It is a popular choice for everyday clothing and bedding.

It can be a chore to find clothing made from natural fibers these days, but I view it as a facet of returning to ancestral ways of living. Polyester only began being widely used in clothing in the 1950s. We had hundreds of years before that of wearing natural fabrics day in and day out, and for good reason. Natural fibers are: 

• Breathable

• Durable

• Biodegradable

• Moisture-wicking

• Hypoallergenic

• Healthy for skin

• Absorbant

• Temperature-regulating

Effects on the Human Body

The type of fabric you wear can affect your body in various ways:

• Breathability: Natural fabrics like linen, wool, and cotton allow air to circulate, helping to regulate body temperature and prevent moisture buildup. Synthetic fabrics, especially polyester, can trap heat and moisture, leading to discomfort and skin irritation.

• Skin Sensitivity: Some individuals may be sensitive to synthetic fabrics and experience skin irritation, rashes, or allergies. Natural fabrics are generally more hypoallergenic.

• Moisture Management: Natural fabrics have better moisture-wicking properties, meaning they draw sweat away from the body, keeping you dry and comfortable. Synthetic fabrics often repel moisture, which can lead to a clammy feeling.

• Environmental Impact: Natural fabrics are biodegradable and renewable, making them a more sustainable choice. Synthetic fabrics, derived from petroleum, contribute to pollution and take a long time to decompose.

I’ve become much more conscious of the garments and textiles I choose to bring into my home because I see it as a way of supporting my health. Instead of desperately wanting to peel my tight polyester leggings off after a workout or teaching, I’m comfortable in cotton. Instead of tossing, turning, and sweating in synthetic fiber sheets, I sleep soundly (and don’t want to leave) my cozy, temperature-regulating bedding. 

These are swaps that have taken place over time, not all at once, but I kick myself sometimes thinking about how much money I wasted on five sub-par sets of sheets instead of investing in one or two good ones. 

In terms of clothing, I’ve found that sourcing natural fabrics runs on a spectrum. You can definitely get spendy with certain brands but if you’re savvy you can find great deals on new-with-tags items on platforms like Poshmark. I’ve also tried several different athleisure brands, some worth the money, some not. 

Favorite Clothing Brands

• Lezat - my top pick at the moment: woman-owned, American production, and organic materials. They have great options for workout wear, loungewear, and cute dresses, too! They are currently running a 15% off sale. The code SPRINGTOLIFEMETHOD will save you 10% the rest of the time.

• Pact - great for basics like socks and underwear and I absolutely love their active skorts!

• MATE the Label - great linen pieces but can be a little pricey. I’ve found great deals on Poshmark as well! Use the code SPRING2LIFE to get $10 when you join!

• TJ Maxx / Marshalls - if you have the patience, skim the racks and check the tags for natural fibers. I’ve found absolute steals on linen items this way!

Favorite Bedding Brands

• SIJO - a certified B Corporation that uses organic materials and holds numerous certifications, this is hands down my favorite for bedding. I’ve been using their sheets for a while and recently upgraded my pillows. An investment but so worth it! Shop this link for 20% off your order. 

• Pact - they have a wide selection of organic bedding in neutral colors. 

Online Shopping Hot Tip:

Install the Rakuten extension to earn cash back on purchases from participating websites. For instance, SIJO is currently 5% back and Pact is 2% back. The extension will also let you know when you can get a better deal on certain items on different websites! Right now you can earn an additional $30 back with your first purchase!