Strategically body-mapped compression for improved muscle performance 360° stretch fabric for comfort and flexibility Maximizes your muscle performance and minimize in-game arm strain Designed to be worn in competition or during practice 1 arm sleeve. 60% Polyester/30% Spandex/10% Nylon Imported Hand Wash Strategically body-mapped compression for improved muscle performance 360 degree stretch fabric for comfort and flexibility Maximizes your muscle performance and minimize in-game arm strain Designed to be worn in competition or during practice Hand wash in cold water, air dry