The Rossignol BC X5 Ski Boots - Women's are a Nordic ski boots for cross-country adventures. The stable boot is designed for mid-width touring skis, for lightweight comfort and protection. The 3M Thinsulate insulation provides warmth in cold temps, while thermoadjustable liners can be heat-molded for a dialed-in fit. With just enough rigidity, these boots are stable for confidence during the tour.