Rep the Bronx Bombers with bold, camo-infused style with the New Era Yankees 9FORTY A-Frame Leaves Cap. Crafted from 100% polyester, this baseball cap keeps you feeling cool, comfortable, and ready for the day. From the stadium to the streets, the New Era Yankees 9FORTY A-Frame Leaves Cap lets you keep your Yankees pride front and center. Part of the 9FORTY A-Frame Leaves Camo collection. 100% polyester.