Rollerblade Men's Crossfire 90MX Skate Crossfire True Wrap shell is supportive comfortable and highly maneuverable Specialized 5 Star Fit liner system comfortable and highly breathable Ratchet micro adjust upper cuff and Velcro power strap with lower lacing system New low balance Magnesium frame light and stiff for performance 275mm Active 90mm/84A wheels with SG9 performance bearings