Windsor - New Era® Youth Diamond Era Full-Button Jersey (NEA220) - RoyalWindsor New Era Youth Diamond Era Full Button Jersey (NEA220) Royal Inspired by the same Diamond Era textured fabric as our iconic baseball caps, this moisture wicking, snag resistant jersey is designed for on field performance, but is also perfect for fans. 5. 3 ounce, 100% polyester Diamond Era jacquard Heat transfer label for tag free comfort Raglan sleeves Underarm gussets Engraved New Era dyed to match buttons Buttons placed for ease of