NIKE Bash Pro Arm Sleeves (1Pair, XS/Small(Deep Royal Blue/Flash Lime) 40% Polyester, 20% Spandex, 20% Nylon, 20% Rubber. Rubber. Dri-FIT fabric to wick sweat away and help 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. Sold as pair.