Finally, a lightweight ankle high sock that can multi-task. Infused with polypropylene and Silver Technology for unmatched versatility. These socks repel water, regulate body temperature and are reinforced and padded in all the right places to avoid blisters and bunching. They are great as a hardcore activity sock Ankle height, men's sizes M (5-8), L (9-12), XL (13-15). Made in USA of 77% Polypropylene, 17% Nylon, 3% Elastic 3% Lycra.