Top and bottom reverse closure design feature provides superior impact avoidance and fit. // New TPU rubber gaiter at the top of the boot effectively seals out elements. // New contoured shin plate protector is injected with modulus PU for a high level of impact and abrasion resistance. Additional holes increase ventilation. // New replaceable shock absorbing material on the shin and instep. // Extended inside plate is injected with medium durometer PU and guards the side and toe-box area of the boot. // The inner side of the boot is designed for excellent contact and grip against the bike and provides a high level of support. // New instep and Achiles flex zones for superior comfort, control and support. // New contoured calf protector plate is injected with PU for high impact resistance. // Stamped steel heel guard. // Stainless stell sole guard. // Stamped suede panel on the inner side of the boot increases grip and is laminated with aluminum foil to guard against heat. // Breathable Cambrelle lining reduces the build up of heat. White model features a new ventilation system positioned to improve air circulation. // Leather upper. // Removable and fully perforated leather bootie for a precise fit, with asymetrical gel ankle protectors and removeable anatomic footbed. // Patented "ankle brace" protector with adiitional shock absorbing insert for the heel. // Extended front iner gaiter helps prevent water entry. // Replaceable sock and wear area insert.