Carbon Grilamid LFT shell & cuff delivers incredible power to weight ratio; 3D Lambda Torsion Frame increases lateral stability and downhill performance; Speed Lock ski walk mechanism is strong, precise and easy to use; The BOA Fit System delivers micro-adjustable, precision fit engineered to perform in the toughest conditions; Waterproof gaiter system provides total snow protection; New Zeppa increases ramp angle by 3.5deg