Sustainable replacement version of Sonic (article: 33.0210), lightly curved peak, recycled buckram, sweatband, laminated front panels, stitched eyelets, recycled snap fastener, TearAway label, hand wash, do not iron, not suitable for tumble drying, do not dry clean. 280g/m², 100% cotton-twill, blended fabric made from recycled and organic cotton, sides and backside: 100% recyceled polyester mesh