Step out in style with a timeless look in the New Era Nationals 9FIFTY A-Frame Classic Cap. Crafted from 100% polyester, this baseball cap offers exceptional durability that holds up to everyday wear. Complete the look and support your team like a true MLB fan with the New Era Nationals 9FIFTY A-Frame Classic Cap. Part of the 9FIFTY A-Frame Stacked Retro collection. 100% polyester.