Enjoy 360° protection and 100% style with the Ciele BKT Hat - Athletics 24! Featuring 50+ UPF protection on the brim and COOLwick mesh on the sides, this running hat is a go-to option for sunny runs. Lightweight fast-drying performance-ready COOLmatic | PLUS fabric and Repreve recycled performance fiber. UPF +50 protection on the brim and body. Machine washable. SOFT360 pliable brim for easy packability. Reflective detailing for night run visibility. ciele athletics million miles guarantee. 2 sizes S/M 56.5 cm. L/XL 60 cm. adjustable. weight 73 grams.