NIKE Elite Running Cushion Crew 72% Nylon/ 24% Polyester/ 4% Spandex Imported Nike Dri-Fit - is an innovative fabric technology designed for great moisture management Considered Design - for high performance and low environmental impact Mesh crew neck - keeps your neck cool and dry whilst exercising. Allover flat-back mesh design - again, to keep air pasing through, keeping you cool and dr Reflective Swoosh design trademark at left sleeve to help visibility in low light.