Rollerblade Maxxum 100 Unisex Adult Fitness Inline Skate, Red and Black, Premium Inline Skates THIS SKATE DOES EVERYTHING. It is ideal for the urban, fitness, commuter and recreational skater. Skaters tend to like the Maxxum for the molded boot with easy buckles and lace closure. MOLDED SHELL is a vented boot that envelops your foot to ensure support with breathability. The cuff has a V-cut shape which complements versatilty and forward flex. PREMIUM LINER incorporates memory foam padding which provides a secure fit. The shock absorber in the heel dampens vibration & two micro-adjustable buckles and lace closure system assures optimal fit. EXTRUDED ALUMINUM FRAME 310mm/12.2" is rigid, stable and lowers the center of gravity with increased speed and maneuverability with a 3x100mm/1x90mm set up. It is also laterally adjustable. HIGH QUALITY HYDROGEN 100mm & 90mm/85A WHEELS are made in the USA with a proprietary urethane formula to provide less vibration, longer wear and a better roll. SG9 bearings spin is superior.