2XU Compression Flex Arm Sleeve 100% Other Fibers Imported PWX power compression yarns with enhanced support to forearm, Elbow and bicep Flexible articulated Elbow for greater comfort Graduated fit to promote circulation for muscle performance and greater recovery High filament yarns for dryness - wicks sweat from the skin to the fabric exterior | antibacterial and UPF50+ Sun protection Warranty + care - 12 month Warranty with proof of purchase from an authorized 2XU seller. Machine wash in cold water and hang to dry