The Black Compression Leg Warmers UC2230B-BLK-XS does what it is supposed to do. Manufacturerd by a quality brand in 2XU, means the Black Compression Leg Warmers UC2230B-BLK-XS has been manufactured to last. Like all 2XU warmers you will receive a manufacturer's warranty, & will be able to send back your 2XU warmer in the event you are not entirely happy with your order.