How FiberScore works
Fiber Guide
What clothes are made of affects how they feel and how they wear. FiberScore lists the fiber content of every item from the brands it carries, so you can see it before you buy and shop by it.
Reading a fiber label
A garment's fiber content lists each fiber and its share of the fabric, adding up to 100%, such as “60% Organic Cotton, 35% Lyocell, 5% Elastane”. FiberScore shows it under every product.
- Parts. Lined and layered pieces list each part separately, such as a shell and a lining, each adding up to 100%.
- Colors. A color can be made differently from the rest of its style, so each color shows its own fiber content.
- Fabric only. Fiber content covers the fabric, not thread, buttons, zippers, or other trims.
Types of clothing fibers
Synthetic fibers
Fibers made from petroleum-based polymers: polyester, nylon, elastane, acrylic.
Natural plant fibers
Fibers from plants, spun into yarn: cotton, linen, hemp, ramie.
Plant-derived fibers
Man-made cellulosic fibers (MMCFs): plant cellulose, usually wood pulp, dissolved and regenerated into fiber: lyocell, modal, viscose, cupro, acetate.
Natural animal fibers
Fibers from animal fleece, hair, and silkworm cocoons: wool, cashmere, alpaca, silk.
Each fiber's page covers how it feels and what's worth knowing, with the clothes made mostly of it.
Shopping by fiber
In Filter & Sort, pick a fiber or a kind of fiber and set how much of it an item should have, such as 100% linen, at least 50% wool, or no more than 10% polyester. Every part of a garment has to be in range, so a jacket with a cotton shell and a polyester lining doesn't count as 100% cotton. Once you've picked a fiber, you can also sort by it, with the most of that fiber first.
Where the information comes from
Fiber percentages come from what brands publish on their product pages. Brands may change or leave out information, so always check the brand's product page before you buy. Every product links straight to it.