- Knee-high sock height - Integrated pockets with integral protection on shin and ankles - Moisture wicking materials - Comfort and shock absorption with thick knit in heel and sole - High-density materials for durability - Ribbed arch and ankle for a secure fit black One Size MTB Sock: 90% nylon, 10% spandex; Protector: 71,9% Polypropylene, 18,5% Polyethylene, 9,6% Polyester