MicroSensor fabric with TrapTek’s Cocona™ treatment for evaporative cooling, odor absorption, and UV protection. Direct-Vent mesh back panel and armpit ventilation. Ergonomic full length side panel. Ergonomic collar. ¾ hidden zipper. Elasticized IP back waistband Hidden back pocket for CC or key. 3 elasticized back pockets. Form Fit. Content: Main Body: 54% Polyester/46% TrapTek, Splices: 80% Polyester/20% Lycra®