Dial up the throwback vibe, Twins fans! Throw on a clean, classic look with the New Era Twins 9FIFTY A-Frame Classic Cap. Part of New Era’s 9FIFTY A-Frame Stacked Retro collection, this cap blends everyday ease with a vintage-inspired design that lifts your fit. Celebrate your Minnesota pride with a timeless twist in the New Era Twins 9FIFTY A-Frame Classic Cap. Polyester fabric delivers lightweight durability. 100% polyester.