HIGH PERFORMANCE FOREARM SLEEVE: Moisture wicking material keeps sweat away to prevent chafing and rashes | Silicone band keeps a tight fit around the wrist & upper arm | Sold as a PAIR of sleeves | COOLING COMPRESSION: Prevents injury and enhance performance by stabilizing muscles and stimulate blood circulation, increase muscle oxygenation, and limits inflammation | PROTECTION: Protects your skin against exterior elements such as the sun's damaging UV rays, skin rash, turf burns, bumps, and cuts | ANTI-SLIP: Form fitting athletic performance sleeve is made of spandex blend material providing a tight fit to prevent muscles strain, relieve pain, and stiffness; making it the supreme shooting sleeve | SIZING INSTRUCTIONS: For the best possible fit measure your UNFLEXED bicep at it largest circumference | Small: Bicep size 10-13 inches, Medium: Bicep size 13-15 inches, Large: Bicep size 15-17 inches