PACT Women's Zig Zag Knee Sock 90% Organic Cotton/7% Nylon/3% Elastane Machine Wash No pesticides, no fertilizers, no bleaches, no sweatshops, no nasty stuff at all, PACT promises you premium organic cotton and other sustainable textiles ethically made so you not only feel good in PACT but feel good about where PACT came from, every purchase this spring helps PACT build 100 urban gardens across America This item fits true to size