I believe this was originally a tennis cap. It's made of mesh material and has a long brim. I think it's also easy to incorporate into fashion from a design perspective. Thank you. 70s 80s 90s Vintage Calvin Klein eddiebauer 70s 80s 90s Girbaud Silver Tab Stussy Patagonia Woolrich Vintage Made in USA Outdoor Patagonia L.L.Bean LL Bean Lands' End Eddie Bauer Powell Peralta OLD GAP Vintage 90s Long Bill Fishing Russell