• Full Grain leather with Lorica® inserts
• Rigid replaceable nylon Metarsus protector
• Anatomically shaped TPU heel.
• Sidi's patented flex system
• Replaceable inner polyurethane plate with heat resistant rubber insert
• Replaceable thermoplastic front shin plate
• 4 replaceable micro adjustable buckles with replaceable retaining clips.
• Upper boot leg is stitch free and entirely replaceable
• Cambrelle and protective Teflon treated air mesh liner.
• Memory padding at the ankle
• Anti skid rubber sole

Duel Flex System
The flex System, with its two circlips that attach the foot of the boot to the bootleg, improves leg flexation and allows for a more natural and correct position on the foot pegs. The second joint is on the bootleg itself, above the ankle join. This technical improvement has been created for more flexibility and a more comfortable fit.

Xfire Metatarsus protection
A rigid replaceable nylon insert has been added to protect the inside of the boot in case the riders foot slides off the foot peg or if it slips the kick-starter. The insert is replaceable by unscrewing the four screws.

Replaceable shin plate
The thermoplastic front shin plate is anatomically shaped and replaceable, an exclusive patented Sidi feature.