Under Armour UA coldblack Run SS 1/4 Zip Black / Aluminum: Features: - Revolutionary coldblack̴å¬ technology refl ects IR and heat rays, so even dark colors don‰ۡó»t get as hot, keeping you cooler in the blazing sun - Underarm mesh panels add superior breathability and airfl ow where you need it most - Anti-odor technology - Minimum UPF 30 with advanced sun protection to block out UV-A and UV-B rays, keeping your skin shielded from harm - Refl ective UA logo Specifications: - 90% POLYESTER, 10% ELASTANE B13