2XU Recovery Compression Arm Sleeves 2XU Recovery Arm Sleeves feature graduated compression that increases blood flow to aid in the removal of lactic acid. As a result, muscle repair is accelerated while swelling and soreness are reduced. Seamless construction to maximize comfort. Antibacterial odor resistant treatment. PWX Power fabric provides enhanced compression. 80% nylon/20% LycraŽ. Imported.