Details: You're in the big leagues now. Beef up your cold-weather training kit with the Heavyweight II baselayer for performance layering. Performance Fit is a body-mapped design, contoured to move with you. Omni-Heat reflective lining Metallic lining reflects body-generated heat for improved warmth retention. Backing dissipates excess heat. Membrane comprises 65 of lining for high breathability. Omni-Wick fabric Moisture-wicking fabric moves perspiration away from the skin to dry quickly on the surface. Four-way stretch for improved range of motion. Crew neck. Long raglan sleeves. Droptail hemline. 85 polyester, 15 elastane. Machine wash and tumble dry. Imported. Measurements Length 31 in Product measurements were taken using size MD. Please note that measurements may vary by size.