Built to handle the heat, this low-depth Fly cap takes cooling to another level. Nike AeroAdapt panels on the top have sweat-activated vents to help keep you comfortable. Plus, we added pockets along the crown that store molded ice cubes, creating the ultimate air conditioning. Cooling System:Three included silicone ice molds let you create strategically shaped cubes that fit within front and side pockets. As the ice melts, waterproof fabric channels the cold liquid into the perforated cape, helping cool your neck and body temp. Ventilation:Nike AeroAdapt technology uses targeted panels of sweat-activated vents to help keep you at the optimal temperature for peak performance. Advanced Sweat-Wicking Technology:Nike Dri-FIT ADV levels up our sweat-wicking technology with advanced cooling and zones of breathability. More Benefits: Nike AeroBill technology combines breathability with sweat-wicking comfort. Swoosh logo turns blue after ice is inserted into the front pocket. Fly caps all have a snug and athletic fit with a low depth. Product Details:Packaged with 3 ice molds. Front ice pocket with zipper closure. Bungee closure. Comes with reusable mesh bag. Reflective details. Not intended for use as Personal Protective Equipment (PPE). Body:100% polyester. Upper panel:81% polyester/19% nylon. Lower back panel/Upperbill:90% polyester/10% spandex. Sweatband:80% polyester/20% spandex. Hand wash. Imported. Style: IF7444; Color: White/Anthracite; Size: S/M; Gender: Unisex; Age Group: Adult | Nike Fly Dri-FIT ADV Unstructured Cooling Cap in White, Size: S/M | IF7444-100