details - lightweight fast-drying performance-ready COOLmaticâ„¢ fabric and Repreve recycled performance fiber. - 100% recycled polyester. - UPF +40 protection on the brim, front panel. - machine washable. - pliable SOFTcurved pre curved brim for easy packability. - reflective detailing on the front and back for night run visibility. - ciele athleticsâ„¢ million miles guarantee. - pinched crown fit. 58 cm. adjustable. one size fits most. see product guide to compare fits. - weight 72 grams. - designed for people who run. care - wash cold water - hang to dry - no tumble dry - do not use softener - wash with like colors - do not bleach