Features PU and synthetic material upper Personalized double density rubber MX PRO sole Moulded front panel Dual Pivot F.C.S. (Flex Control System) with anti-torsion and double rear stop Ergonomic Dual Pivot connector made in nylon (loaded with fiberglass and 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 and side air intake windows Flexible anti-mud and 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 and erogonomic ankle padding made in protective and shock-absorption foamed PU-material fused with a polyester lining for easy foot entry Personalized and 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 and comfortable.