Brought to you by the brand Falke, these lightning yellow men\'s ru4 cool short socks are made from 44% polypropylene, 33% polyamide, 22% polyester and 1% elastane. Also the lightning yellow socks are designed in a block pattern, It is recommended to wash at 40 degrees, do not tumble dry, do not iron, do not dry clean and do not bleach to keep these socks in good condition. All the socks come complete with falke sock tags. The Falke RU4 Cool Short Socks - Lightning Yellow are your all-round, all equipped running sock. They offer medium cushioning and good shoe contact, high moisture transport and fast drying. Mesh zones at the instep offer cooling properties and an optimal fit is guaranteed with their anatomically moulded sole and toe. Make these a part of your running attire and you can be assured a great running experience. KEY FEATURES 44% Polypropylene, 33% Polyamide, 22% Polyester and 1% Elastane Cushioning , Blister Protection , Moisture-Wicking , Optimal Fit Ankle Smooth Structure Medium Thickness Wash at 40 degrees, do not tumble dry, do not iron, do not dry clean and do not bleach Complete with Falke sock tags.