Burton Ion snowboard boots provide aggressive flex and uncompromising support necessary for riders those who do not want to skimp on comfort or response throughout the season. Instead to be a freeride specialist like other stiff flex styles Ion dominates any terrain with flexible charging flexibility which is not too tough so that you can easily adjust the grips or cut. Comfort features: from shrink technology which eliminates toe drag during deep turns to reflective foil which retains body heat and improves heat retention, guarantee that not a single day at the resort will be interrupted.