* The SG-10 has been one of Gaerne?s top selling boots for many years now. Make way for its successor the SG-12, a refreshing refinement of the SG-10     * The grip guard on the inside is larger, lighter and designed to be smoother so that it doesn?t hook the bike     * Also designed with a smaller toe box which is lighter     * A new dual ankle pivot has been designed to disperse pressure away from the ankle bone     * The SG-12 has a carbon shank in the sole to help protect your feet. The new dual durometer vibram sole is a new design and is replaceable     * A new design up top is the gaitor which helps to keep dirt out of the boot