moisture wicking and quick drying cap by REI. olive green Adjustment strap dials in the fit Sweatband keeps sweat out of your eyes Brim folds for easy packing Sunglass loops secure your shades Side vents keep your head cool Mesh liner and UPF 50+ body fabric UPF 50+ sun protection shields against harmful UV rays Contains materials that meet the bluesign® criteria From a Climate Neutral Certified brand pre-owned in an excellent condition. no stains or holes please see photos for details and condition please comment with any questions crossposted