104mm last: Comfort is key for skiers matching up to this last width. * 50 Flex Rating: Soft and forgiving for beginner to lower intermediate skiers. * 30mm Power Strap: A velcro strap, 30mm in height, acts as an extra buckle to keep the top of the boot together. * Full Thermo Fit Liner: Body heat activates the material in this liner to shape to the skier"s foot faster than a standard liner. * Replaceable Toe and Heel Pads: This is a must-have for skiers that don"t live in ski in/ski out condos.