100% polyester. This cap would be perfect to equip a sports team or hikers. You'll love double stitching, flat visor, tone-on-tone breath eyelets and retro-style snapback waist adjuster. This voluntarily light headgear, with a weight of 70 g / m², is available in 5 colors and one size for men and women. Your cap will accompany you all summer, at the beach and in the city.