Mountain Horse winter horseback riding jackets and tech tops can be found at The Twisted Bit Saddlery. Ride in comfort and warmth in Mountain Horse's equestrian winter collection. Mountain Horse has been outfitting equestrians around the world for over 25 years. Each season's collection include a number of innovations in the form of smart design solutions and new functional materials for the horse rider. FREE SHIPPING on all Mountain Horse orders over $50.00.