Luigno Challenge Red Inline Speed Boots Note: All sizes may not be avialable at all times. We will let you know ASAP if your size if not available. Challenge is Luigino's flagship, leaving its competitors to envy. A finely tuned inline boot, packed with pure performance. This technologically advanced boot was introduced with an overwhelming success just 12 months ago. Listening to our customers and team of field testers over the past year, we were able to bring you the same spectacular fit, with a few modifications to increase the performance and longevity of the shoe. • Fully heat-moldable • Carbon fiber shell • Soft Toe Box • 165 mounting sizes - 35/2-37/4 • 195 mounting sizes - 38/5-46/13 • Weight: 432g (size 9 w/ laces) • Adjustable Ankle Powerstrap • Adjustable Toe Powerstrap • Micro adjustable buckle • Buckle protector • Neoprene tendon and collar area • Soft inside padding to give a better fit out of the box • Pre-shaped tongue • Anti-Shock ankle padding • Perfect Fit insole • Anti-torsion system • Air Scoop • Replaceable mounting nut • Horizontal sliding mount • Air ventilation system • Waxed Laces • High-Tech Performance Synthetic Upper If you are a serious competitor or simply want the absolute best, treat yourself to the Challenge.