Protect your face and neck from the sun with the BUFF® Explore Booney Hat. This hat offers certified UPF 50 sun protection, an adjustable fit, and a chin strap for a secure hold, even in windy weather. Side ventilation openings provide cooling on hot days, while the integrated pocket allows for easy storage. Made from 100% recycled materials: crown: 100% recycled nylon, lower strap: 100% recycled nylon, upper strap: 100% recycled polyester, brim: 100% recycled nylon, inner sweatband: 100% recycled polyester. This hat is ideal for outdoor activities such as hiking, trekking, or leisurely walks in nature. The technical design and the ability to pack it in the integrated pocket make it practical and functional. Head circumference size S/M: 54 - 57.5 cm, L/XL: 58 - 62 cm.