SIDI offers you its PERFORMER LEI racing boots:

Material:

• Full-grain microfiber upper acts like a natural leather hide but with the advantage of greater resistance, softer texture and lighter weight
• Small Teflon mesh panels create a net-like appearance and leave plenty of room for ventilation

Protections:

• Interchangeable sliders
• Internal and external malleolus reinforcements
• Selector reinforcements

The "+":

• Nylon insole with removable arch support cushion
• Rubber outsole for excellent grip on all surfaces
• Small elastic panel to facilitate zipper operation, offering greater ease of movement via the elastic as the zipper passes over the ankle
• Front gussets for maximum flexibility
• Smooth heel cut for more grip on the bike
• CE-approved motorcycle boots