ALPINESTARS SMX PLUS Race Boots Alpinestars Contoured shin plate protector is injected with high modulus PU for superior impact and abrasion resistance. // U shaped calf protector is impact resistant and protects the ankle and calf area. Additional protection is provided by the top recessed buckle structure. // Interchangeable bi-injected PU toe sliders with snap-in assembly. // Wide and ventilated heel counter extends to the ankles and is combined with a shock absorbing padded insert and self-molding foam ankle protectors. // Replaceable sliders are positioned in the back and external section of the heel to allow the boot to slide and absorb shocks. // Injected PU material extended to the to area. // Large instep flex zone for maximum comfort and flexibility. // Lorica and leather upper. // Sole has been designed for improved feeling between the rider's foot and the pegs of the motorcycle. // Instep speed lacing closure and a unique lateral zipper. // Replaceable ratchet buckle closure on the calf features a hidden strap for security and is integrated with a calf slider. // Synthetic forefoot lining laminated with open cell foam. Highly breathable lining on ankle and leg areas. // Alpinestars anatomical and replaceable countered footbed provides arch support and forefoot pedal feeling. Colour options: RED, BLACK, WHITE, BLUE, BlackVent Sizes: 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48 Price:£189.99