Equestrian Riding Helmet Cover - Purple and Black Protect your helmet and show your colors! One Size fits most English and Western Riding Helmets, including Troxel, GPA, IRH, International and more. The Visor Pocket fits over helmets with a built in brim. Most covers are also available with a built-in plastic visor for Skull-Type or Eventing Helmets. Just give us an email if you need the visor or don't want the bow. Two-Color Alternating Block Style Cover with Bow. Stretch Nylon Lycra-Spandex. Machine washable. No dryer, no heat.