ADV Endur Graphic Sock is a functional bike sock with mesh panels and wide elastic cuffs for all types of cycling. Features reinforced toe and heel for extra durability. Features. Tight fit. Functional material made from polyamide, recycled polyester and elastane. Ventilating mesh panels. Reinforced toe and heel. Ergonomic design. Materials. 51% Polyamide, 44% Recycled Polyester, 5% Elastane. Colour: green