Easy to Wear & Breathable Design: Made from strong yet lightweight with perforated woven backing, this protective headgear delivers all day comfort without bulkiness Increased Visibility & Versatility: Reflective bands on both the headgear and neck cover improve in low light environments Comfortable & Shielded: Our full brim headgear with two sunlight activated cooling devices ( USB rechargeable) helps maintain a pleasant temperature while providing effective coverage Adjustable Neck Cover: Features an elastic wicking neck shade that blocks sunlight and serves as face covering, sweatband, or neck guard Two Mode Sunlight Cooling: Provides two usage preferences direct sunlight function and stored energy mode via USB charging The adjustable speed cooling devices allow customized temperature management during extended outdoor wear