Poisis a women's sock from Bonne Maison. Made in France, in premium quality Egyptian cotton. These mid-calf-length socks are machine washable at 30/40° C. The composition of these thin socks is 90% cotton, 8% Polyamide, and 2% Elastane.This perfect mix offers the socks solidity & comfort. Part of the production of these sheer knitted socks is made in Portugal.