All-around protection with a high shaft keeps the water out and the feet dry. Waterproof GORE-TEX Insulated Comfort inner lining keeps the feet nice and dry in cold and wet weather. Lightweight SHIMANO ULTREAD XC rubber outsole offers durable grip for competition use. BOA® L6C rotary closure opens wide, making it easier to put on. Precise fine adjustment is also possible with gloves. Fleece-lined insole for excellent insulation and heat retention.