Specially engineered for the world cup pros, the Redster S9 Carbon is the top model in the Atomic skate range. It’s the lightest Atomic skate boot ever made, but still exceptionally strong – ideal for hobby, club and pro racers. At its heart is the Carbon Power Base SK; an outsole made with a single piece of carbon that totally surrounds the heel and sole, delivering 100% power transmission and next-level acceleration.For even more comfort, the ergonomic insole keeps you extra snug and the durable, water-resistant membrane keeps your feet dry and warm. Less weight, more power.