Combines 99% UV protection, 80 reflection of the sun's heat waves, and a controlled evaporative inner lining. All this keeps you up to 20 degrees cooler even on the hottest summer days. Simple just wet the inner lining and put on the hat. You will get instant relief for hours! Drawstring closure Nylon Pano + Small tissue + EVA foam. Anti UV Ray, Solar Protection, Light, & Breathable. Men & Women unisex design. Perfect for golf, baseball, outing, gardening, hiking, running, and those hot summer days Dimensions:11"x14"x1" Weight: 0 Lbs 6 Ounces