Forma Terra Evo boots with full-bodied leather upper, personalized sole Enduro / Adventure extra natural rubber sole. Technical features : New stitched anti-twist system F.C.S. (Flexible Control System). Stainless steel reinforcements supplied in the box. Side protection, ankle and injected printed skull. Polyurethane heel protectors. Polyurethane protection for the selector. Adjustable Velcro closure, and adjustable and replaceable aluminum buckles. Reflective insert on the back. Waterproof and breathable Drytex Custom Forma membrane. Molded ankle protectors and molded shin TPUs. Soft polymer padding with shape memory. PP Mid Dual Flex polypropylene sole with steel inserts coated with shockproof EVA material. Antibacterial Sockliner Replaceable with A.P.S. (Air pump system).