Whether worn for training or as a base layer, this Compression Sleeveless Tee is an essential piece of performance apparel. Made from 5.1 Oz. 87/13 blend of polyester and spandex with PosiCharge® technology. Machine wash cold with like colors. Do not use fabric softener or bleach. Tumble dry low and remove promptly. Cool iron if necessary. Complies with CPSIA.