BOA® Snowboard Boots for Women.Features:Step On® Outsole.Dual BOA® Fit System with H4 Coiler Dial.Response Liner II.Sole re-purpose insole.Internal ankle harness.Articulated construction.BOA® Silver SS Laces.Insulation:3M™ Thinsulate™ insulation.Flex Rating:6/10.Composition:Upper:Synthetic / Lining:Textile / Outsole:Eva.