The F.I.T. Boa inline skate is designed to meet the needs of the fitness purist. Dialed in with the Boa Closure System, this K2 Softboot can be fine tuned while you are skating to produce the perfect fit. The D.C. Aluminum Frame provides a stable platform for speed, a wheelbase that is quite maneuverable, and the Stability Plus cuff delivering maximum support. Combine these features with ILQ-7 bearings and 84mm wheels with your skates, and you have a fitness machine ready to workout. Now upgradable to 90mm!