The new Atomic Redster Pro 130 Ski Boots is a high end and very stiff race boot that has many customizable options. The boot has double the amount of micro cuff alignment compared to any other boot on the market. The upper cuff can rotate 5 mm in each direction so you can save big bucks by not having to get this speedster planed. The Redster 130 also has interchangeable boot boards so the entire chassis can flex according to your needs and can be tuned to your skiing style. A flat bottom chassis allows your foot to sit naturally inside the boot for better balance and a more comfortable fit. The Carbon Spine adds lots of rigidity with out adding extra weight for increase power and acceleration. These boots have a 130 flex and is up to six times stiffer than the previous model. The incredible power transmission allows you to carve more precisely and more aggressively than ever. Designed for the super athletic skier, the Atomic Redster Pro 130 Race Ski Boots will have you speeding down the mountain and shaving seconds off your time.