The Isleiri Metal Fit Sandwich Cap panel cool fit cap is made of 110 g/m certified recycled polyester microfiber, and has a pre curved visor with a sandwich design, adding a classic touch. The back panels has 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 this a more sustainable choice.