Features PU & synthetic material upper Personalized double density rubber MX PRO sole Moulded front panel Dual Pivot F.C.S. (Flex Control System) with anti-torsion & double rear stop Ergonomic Dual Pivot connector made in nylon (loaded with fiberglass & carbon fiber) Injection moulded plastic protections Safety double density Rear PU flexor with cushioned inserts Ultra shaped double density heel cup Reinforced lateral/bottom insert to better support the entire Dual Pivot F.C.S. Incorporated back & side air intake windows Flexible anti-mud & debris collar Personalized rubber heat gripper inserts (also on Dual Pivot connector) Adjustable velcro closure Replaceable/adjustable aluminium articulated “ Evo Security Lock” buckles Moulded Zama toe cap Thermoformed & erogonomic ankle padding made in protective & shock-absorption foamed PU-material fused with a polyester lining for easy foot entry Personalized & thermoformed Forma inner lining Internal microfiber antimud protection Padded foam collar for added comfort I.S.S. (Incorporated Steel Shank) with anti-shock felt midsole EVA padded anti-bacterial replaceable footbed with A.P.S. (Air Pump System) A.P.S. System Air is pumped from a specific centralized position in the A.P.S. perforated footbed to the entire insole, consequently, air circulation within the boot keeps feet cool & comfortable.