SILKWORLD Compression Base Layer Running Medium（Pack Review

92% Polyester, 8% Spandex. Quick Drying/ 4 Way Stretch Fabric/ Cool in Summer and Heat Retention in Winter. Mock Turtleneck design, premium fitted compression fabric optimizes softness and breathability, comfortable enough to be worn all day. Tight shirts fitting likes a second skin, excellent elasticity for greater mobility in any direction without restraint. Designed For Running, Training, football, Cross Fit, basketball, Cycling, base undershirts or Other kinds of indoor leisure time and outdoor activities. Please refer to the SIZE CHART before ordering, order 1 size up if you prefer a more comfortable fit.