NIKE Bash Pro Arm Sleeves (1 Pair, X-Small/Small, Black/Volt) 40% Polyester, 20% Spandex, 20% Nylon, 20% Dri-FIT fabric wicks sweat away and helps keep you dry and comfortable NIKE PRO elastic band provides secure fit. Thumbholes for enhanced fit and warmth. Hidden pocket on inside left sleeve for discrete storage Seasonal print. Heat transferred Swoosh logo. chine Washable for easy care. Sold as a Pair