COLUMBIA Zero Rules long sleeve T-shirt

A super-cooling tech tee with stretch and sun protection, this soft and lightweight long-sleeve shirt sports our industry-leading cooling technology, which reacts with your sweat to lower the material’s temperature and keep you cool during dynamic aerobic activity in the heat. Features: - Omni-Freeze ZERO sweat-activated super cooling - Omni-Wick - Omni-Shade UPF 30 sun protection - Modern Classic Fit - Comfort stretch - Antimicrobial treatment protects this product from bacterial growth - Center Back Length: 28 in Technology: - 100% polyester ZERO interlock Technology: Omni-Freeze ZERO: - MAKING HOT PEOPLE COOL: Blue rings react with sweat to lower the temperature of the fabric, so you feel cooler. Omni-Wick: - WICKEDLY DRY: Pulls moisture away from the body so sweat can evaporate quickly. Omni-Shade: - ENJOY THE SUN SAFELY: Blocks UVA and UVB rays to help prevent sunburn and long-term skin damage. .