Best-selling ActiveIce™ technology is upgraded for Spring 2021 to work more efficiently and effectively than ever before. Now featuring the same thermo-regulating formula as our proprietary ActiveTemp™, this new version of ActiveIce™ dynamically adjusts to your body’s temperature to cool you faster when you need it most. Still wicking and complete with a UPF 50+ sun protection rating, ActiveIce™ is the perfect companion for anyone who spends serious time in hot, sweaty, sun-baked conditions. Our ever-popular Sun Sleeve design is an easy solution to pull-on sun protection, with a bicep grip to hold itself in place.[tabtitlestart]Details[tabtitleend]Features Thermo-Regulating Cooling ActiveIce™ Treatment Breathable Lightweight Wicking Quick-Drying UPF 50+ Bicep Grip Optional Thumb Hole and Finger Loop Full Arm Coverage Reflective Logos Specs FABRIC: 92% recycled polyester, 8% spandex WEIGHT: 1.8 oz/52 g