Women's Sailor Stripe Roll Top Bamboo Socks | Brown Size:OS The smooth-operating front zipper is

The smooth-operating front zipper is made of metal for unfailing reliability

knit-in wind protection

breathable and anti-bacterial - the perfect material for an insole

and the water-friendly construction handles splashes and poolside moments

Women's Sailor Stripe Roll Top Bamboo Socks | Brown Size:OS The smooth-operating front zipper is100% free of harmful chemicals, certified by OCIA and OEK TEX standards to be certified organic. But also, they are super comfy. Bamboo socks feel like cashmere. Feel good physically and environmentally! Sock size 9 11 fits U. S. womens shoe size 5 10. 5 Fiber Content: 78% Rayon from Bamboo, 20% Nylon, 2% Spandex