Material guides
What each fibre actually does on your body, how to judge quality, and what the certifications mean.
Organic cotton
Grown without synthetic pesticides, and — if the certificate is real — processed without the nastier finishing chemicals too.
Linen
Flax is the fibre that gets better the more you wash it, and the one that will crease no matter what the product photo suggests.
Cashmere
Two numbers decide whether a cashmere sweater lasts a decade or pills into a rag by February: fibre length and ply.