In the News
The Summer Edit: Farm-to-Closet
Four trends worth wearing, and the natural-fiber pieces to wear them in.
Read the essay5 min read
The Clean Edit
The 8 Best Non-Toxic Mattresses (2026 Review)
California bans fiberglass in mattresses on January 1, 2027. Here are eight beds that already tell you what is inside them, and how to read the certifications on the rest.
The Clean Edit
9 Best Non-Toxic Underwear Brands (2026 Review)
Underwear has more contact time with more permeable skin than anything else in the drawer. These nine are made of fiber worth sitting in, scored and priced from $8 to $55.
The Clean Edit
8 Best Non-Toxic Bath Towels (2026 Review)
A towel touches every inch of you, twice a day, on warm damp skin. These eight are organic cotton, linen and lyocell, scored and priced from $48.
The Clean Edit
7 Best Non-Toxic Swimwear Brands Making Natural Fiber Suits (2026 Review)
Almost every swimsuit on earth is plastic. These seven brands build theirs from hemp, organic cotton, or merino wool, and together they are close to the whole category.
The Clean Edit
The 2000s Vintage Activewear Revival: 5 Natural Fiber Pieces Under $100
Low-rise flares, baby tees, capris, the whole gym-bag wardrobe of 2003 is back. Here are five pieces that are actually made of natural fiber, all under $100.
Fabric Science
How to Check If Your Clothes Contain Harmful Chemicals
You can't see the chemicals in a new top, but the garment tells you more than you think. A practical, five-step way to check if your clothes contain harmful chemicals, straight from the label.
Fabric Science
Is Your Activewear Toxic? PFAS in Leggings, Explained
PFAS, the forever chemicals, hide in the water-repellent and sweat-wicking finishes on a lot of performance gear. How they end up in leggings, what they do to your hormones, and how to find non-toxic, PFAS-free activewear.
In the News
What the Roundup Ruling Means for the Clothes You Wear
On June 25, the Court made Monsanto almost impossible to sue over the cancer risk of Roundup. The same weedkiller is sprayed on most of the cotton you wear, and almost no one connected the two.
In the News
The Government Is Telling Americans to Choose Cotton Over Plastic. Here's What's Behind It.
On May 28, the USDA launched a campaign urging shoppers to pick natural cotton over synthetic fabric, citing microplastics and health. Supporters call it overdue. Critics call it oversimplified. Here is what the plan says, what the science shows, and where people disagree.
Fabric Science
Viscose vs Cotton: Is 'Plant-Based' Always Cleaner?
Viscose starts as wood and ends as something soft and almost silky. The chemistry in between is the part the label leaves out.
Fabric Science
Polyester vs Cotton: Which Is Actually Better for Your Body?
One comes from a plant. The other comes from oil. On a hot day, against your skin, the difference is bigger than the price tag lets on.
Fabric Science
Modal vs Viscose: What's the Real Difference?
They come from the same tree and the same chemistry. One just behaves better, and the names on the tag hide which is which.
Fabric Science
Linen vs Cotton: The Summer Fabric Showdown
Two natural fibers, both clean, both breathable. One keeps you cooler, the other keeps you softer. Here's how to choose between them.
Fabric Science
Is Spandex Toxic? What Elastane Really Is
Spandex and elastane are the same plastic, hiding in the 'stretch' of almost everything you wear. What it is, and what's actually worth worrying about.
Fabric Science
Regenerative Cotton vs Organic Cotton: What's Actually the Difference?
Organic tells you what a farm refused to use. Regenerative tells you what it's trying to rebuild. The gap between those two ideas is bigger than the tag makes it look.
Fabric Science
Polyester Is Plastic. Here's What That Means Against Your Skin.
Your gym top and a soda bottle start in nearly the same place. Here is what wearing plastic all day actually does, and the small swaps that matter.
The Manifesto
Fashion Wellness Is the Next Clean Beauty
First we read the labels on our food. Then our skincare. Our clothes are next — and for women's health, it may be the biggest change of all.
In the News
Your Clothes Have an Ingredient List, Too
Scientists tested 111 everyday pieces of clothing. What they found, and why a good sweat makes it worse, is worth knowing before you get dressed tomorrow.