Kenetrek Arizona Lightweight Ankle Height Hiking Sock Material: 77% Polypropylene, 17% Nylon, 3% Elastic 3% Lycra Fits men's shoe sizes: Medium(5-8), Large(9-12), X-Large(13-15) Fits women's shoe sizes: Small(4-7), Medium(8-9), Large(10-11) Ankle length low socks Ideal for long rides, hikes, hunting, othe ourdoor activities in colder conditions