COLUMBIA Zero Rules short sleeve polo

Sweat activated what? Yes, the Zero Rules polo has sweat-activated, super-cooling technology, and that’s not all. It also wicks and has UPF 30 protection from the sun, and features comfort stretch fabric. Technically, it’s a great shirt. Features: - Omni-Freeze ZERO™ sweat-activated super cooling - Omni-Wick™ - Omni-Shade™ UPF 30 sun protection - Antimicrobial treatment protects this product from bacterial growth - Comfort stretch - Active Fit Specifications: Fabric: - Omni-Freeze ZERO™ Interlock 100% polyester Technology: - Omni-Freeze™ ZERO: Sweat-Activated Cooling - OMNI-WICK®: High-Performance Wicking Fabric - OMNI-SHADE®: Sun Protection