SIDI Crossfire 3 Srs Off-road Boots BOSOF3217045

replaceable shin plate:- the thermoplastic front shin plate, with innovative graphic designs, is anatomically shaped and replaceable.micro adjustable and replaceable buckle system:- the crossfire 3 srs utilizes four micro adjustable buckle closures, with indented memory-regulation straps. the buckles, straps and retaining clips are easily replaceable. the buckles have just one fixing point (by a screw), which allows them to be easily closed making the boot adaptable to the rider's position. you will note that all four buckles work independently from each other. this system allows the boot to fit all shapes of feet and lower legs independently making each boot that much more comfortable for each individual rider.hyper extension block:- the crossfire 3 srs has 2 articulated joints: the first one on the ankle, called hyper extension block, with completely revolutionized technology. it prevents the hyper extension of the ankle, the instep and the posterior tendon when the leg is flexed forwards or backwards. this technology guarantees the rider's safety.flex system:- the upper pivot, on the bootleg, improves the flexibility of the boot and the adjustment of the bootleg itself. in this way, the rider can adjust the boot strap at the calf to his personal preference and achieve an improved fit.adjustable calf system:- the boot leg has a replaceable inner calf plate, produced in pu and a printed rubber insert, to protect the leg from exhaust heat, wear and tear. the calf plate features an inner double adjustment, which allows to widen the circumference of the boot and accommodate even wider calves and shin guards. this adjustment was increased for greater performance.protections:- -a- the heel is anatomically shaped and manufactured in pu. its particular form was designed and implemented to provide more safety to the foot in case of twisting. the new heel guarantees comfort and stability. -b- the boot is equipped with a panel that protects the metatarsus. a rigid replaceable nylon insert has been added to protect the inside of the boot in case the rider's foot slides off the foot peg or the kick-starter. the insert is replaceable by unscrewing the 4 screws. -c-the toe is entirely covered by plastic protection panels with an embossed geometric design for greater grip.-d- a spoiler has been added to protect and deflect stones and other dirt from the first buckle.assembled and replaceable boot leg – stitch-free:- the boot leg upper is entirely assembled with screws, thus it is stitch-free and totally replaceable!srs dovetail sole:- the srs (sole replacement system) interchangeable sole has an innovative design and a revolutionary replacement system. design and technology are patented by sidi. the base of the soles, or boat, features a more aggressive look and is slightly higher for greater engagement with the upper. the tip and heel are fixed, while the central part, subject to greater wear, is replaceable. the tip has a special design with traction