The Couture Basis boot is a women-specific design that is liner-less for athletic shoe comfort and performance. Baseless boot offers maximum control and skier feel, while weightless construction provides maximum strength-to-weight ratio. TruFit last gives the Couture Basis boot a relaxed fit. SoftCell foam is elastic, low density closed cell foam that never packs down, even after countless rides. Comfort lacing system. Aluminum base plate. Sizes: Mini(5-1/2 - 9-1/2), Std(8-1/2 - 12-1/2).