The Fitness Phuzion skates have revolutionized inline skating, and the Argon Bluebird 100 Limited Edition is the most comfortable of the high-performance Phuzion skates. It is the flagship of the Phuzion family, combining the best materials and features both inside and out. The shell is made from durable, fiberglass-reinforced lightweight plastic and incorporates Powerslide's patented Trinity mounting system, which lowers the center of gravity and provides excellent control and stability. The upper part of the Argon boot is made from nylon with welded TPU parts that wrap perfectly around your foot. The inner part of the boot features Recall Memory foam padding, offering you ultimate comfort and a customized fit. This is a complete fitness inline skate, ideal for long and intense training sessions. The Phuzion Argon Bluebird 100 features a sophisticated closure system that includes traditional lacing, a supportive cuff buckle, and the famous Atop disc closure system, which keeps your foot securely in place. The Phuzion Argon has a lightweight precision magnesium frame mounted on 4x100 mm wheels and ABEC 9 bearings, providing you with a rapid, smooth ride that is ready for intense training and elevates your inline fitness skating to a whole new level.