Defender Compression Pants Men Under Jerseys Legging Shorts Tights Polyester 92%, Spandex 8% - Smooth and Ultra-Soft Fabric that provides extreme comfort with very little weight without restriction - Machine Washable. Quick and Dry Transport System - Wicks Sweat away from the body, keeping you cooler and drier. Workout or Compete for all weather sports and activities - Cool in Summer and heat retention in winter. Compression fit bolsters muscle support and increases circulation. UPF 30 - Protects your skin from the sun's harmful rays.