Omni-Freeze ZERO adavnced cooling technology
Sweat-activated to keep you cool, dry, and comfy
Rugged, high-stretch polyester/elastane fabric
Omni-Shade UPF 50 sun protection shields your skin
Designed for long, hot hours in the sun, the Freezer Zero Arm Sleeve boasts Columbia's advanced Omni-Freeze ZERO technology which reacts with your sweat to lower the temperature of the material. Rugged, high-stretch 92\\% polyester, 8\\% elastane fabric is bolstered with Omni-Shade UPF 50 sun protection to shield your skin against harmful UV rays. Imported.