Horze Childs Active Silicone Full Seat Winter Tights Arty Purple. Keep your child warm and toasty whilst they do what they love best with the Horze Childs Active Silicone Full Seat Winter Tights. Designed with a cosy fleece lining perfect for the cold weather, the Active Silicone Winter Tights offers a soft breathable, stretchy fabric for extra added comfort and a flexible fit. With a high waist design, the Active Silicone Winter Tights is complete with a full seat silicone print for extra security whilst in the saddle.