The SKINS RY400 Long-Sleeve Top carries on the healing process long after you've finished your run or race. Wrapping your muscles in this second skin accelerates blood flow, increases oxygen delivery to muscles which improves power, speed, stamina and recovery. SKINS Gradient Compression boosts core body control and power while post workout muscle soreness is minimized. 400-fit and Dynamic Gradient Compression reduce soft tissue damage and inflammation, and support your body against joint injury and tenderness. The warp knit fabric won't run if snagged or ripped. The intermeshing fibers make it more stable, with no uncalculated stretch, for a long-life and top performance. Your skin has all-round sun shielding with Skin UVblock against aging and skin irritations. Skin dry removes moisture from your skin to the surface layer of the fabric and a special fabric coating that helps eliminate odors. 76% nylon microfiber/24% spandex. Imported.