Fit & Design: Regular fit long sleeve running shirt Made from breathable fabric that helps keep you cool throughout your workout 1/4 zip with mock neck allows you to customize your coverage Thumbholes at sleeve cuffs help keep them in place Mesh underarm gusset provides targeted ventilation for increased breathability Technology: BODYCOOL technology help keeps you cool BODYBREEZE wicking technology pulls moisture away from the skin and boasts a rapid evaporation time so you stay dry, cool and comfortable BODYFREE technology iInhibits odor and lasts wear after wear so you stay fresh. Move freely with 4 way stretch fabric Quick dry fabric wicks moisture quickly to help keep you dry and comfortable UPF 50+ technology helps protect your skin against harmful UV rays (rated according to ASTM D6603) Additional Details: Part of the CALIA PowerMove collection UV protection limited to areas covered by the fabric