The Rollerblade Fusion X3 Urban Inline Skates are rugged but comfortable. Updated with new graphics, the Fusion X3 blends the benefits of a molded shell with the comfort of a soft shell. Designed to withstand the demands of city skating by maximizing performance, stability and control without being too heavy. Rollerblades Fusion X3 has venting in the shell, shock absorbing in the heel, and UFS frame mounting to transform into grindworthy aggressive skate in seconds. Compatible with any UFS aggressive frame and Rollerblade's Solo Soul Plates to skate aggressive.