Take your performance to the next level with the 2XU Light Speed Compression Calf Guards. Utilizing MCS (Muscle Containment Stamping), this compression sleeve traces key muscle, tendon, and fascia groups for optimized muscle protection. PWX Flex (70D) with Invista Lycra hugs the leg providing graduated compression to calves and shins to increase blood circulation and reduce post exercise stiffness.  The sleeve material is moisture-wicking and provides UPF 50+ sun protection.