Buckle up! K2 Original Softboot, Boa� System and a vibration damping Tec Composite frame: Only K2 can put all this into a skate for beginners. For the 22� season our 80mm fitness models have the premium and reliable K2 upper, which we used the last year on our 84mm and 90mm fitness skates. Lighter, more breathable and more comfortable, that beginners can go all-in from the start. The F.I.T 80 Boa� offers beginners more performance and comfort than you would expect from a beginner's model. But with K2 , No Problem.