Equestrian Riding Helmet Cover - Shattered Glass This is NOT a helmet. It is a cover that fits over your helmet. Many more helmet covers are available. To see a complete list of our inventory, click on the Helmet Covers Etc link just below the item title. 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. Multi-Color Stretch Nylon Lycra-Spandex. Hand Wash. No dryer, no heat, no bleach.