Features:- Dual Core- Shell - Polyurethane- Cuff - Polyurethane- Dual Screw Canting- Max Grip Alpine Soles- Gripwalk® Compatible- Dual 3d Liner Pro- Customizable- Shin Control- Thinsulate®- 40mm Power StrapSpecifications:- Last: 97mm- Flex: 110- Sizes: 22.0 to 27.5