ElementFlex Hardshell JacketFeatures: 3. 5Layer Laminate Weather Protection: Engineered to block wind and rain while allowing vapor and air to escape, delivering protection without unnecessary weight or heat buildup. Quiet, 4Way Stretch Construction: Flexible shell reduces noise and allows unrestricted movement during dynamic motion. Active Cooling with 37. 5 Technology: Fabric works to regulate your body temperature and accelerate drying as conditions change. YKK AquaGuard Two