The Crestu Metal Cool Fit Cap is made from 110 g/m certified recycled polyester microfiber. The back panels features laser cut holes for optimal ventilation, keeping you cool and comfortable during outdoor activities. Designed for a comfortable fit with a head circumference of 58 cm, the metal buckle closure allows for easy, secure adjustments. The certification ensures a 100% certified supply chain, from raw material to our printing techniques, making it a more sustainable choice.