Soft rubber sole for maximum grip. Replaceable strap system. Lorica construction. Composite inner sole. Removable arch support. Exclusive cam-lock buckle system. Cambrelle lining Slim, cool non-bootie design. Rigid, shock resistant, anatomically shaped heel for maximum protection. Split grain leather inner anti-wear/heat panel. Single Flex System upper. Soft lugged sole for maximum grip. Composite inner sole.     Rigid, shock resistant, anatomically shaped heel for maximum protection. Malleolus external guard to enhance protection of those tender small foot bones. Split grain leather Internal heel protection.    Membrane equipped to add a water resistant yet breathable barrier between the elements and the rider's feet. Single Flex System upper. Exclusive cam-lock buckle system. Replaceable buckle system. Removable arch support. Top grain leather and Lorica construction. Slim, cool non-bootie design. Cambrelle lining    Lorica toe shift-brake pad.   Internal Heel and Ankle protection.   The composite inner sole of Sidi boots resists side to side compression, offering greater protection compared to the leather inner soles that our competitors use. The insole features a removable arch support and will never lose its dynamic characteristics, even after months of intense use. It's also water resistant and is designed to withstand high footpeg pressures.   Every component is available separately. If it's a part you can remove, it's a part we can replace. You can change the various components to replace items that have worn or damaged in a crash.