Boots Sidi Vortice Air. Outwardly made of Lorica perforated and internally with perforated fabric treated with Teflon. Most of the parts of this boot are replaceable. Allows adjustment in 3 areas. The regulation of the width in the upper area and facilitates the closing of the boot. Ankle area reinforced. Incorporates ventilation operable in the lateral zone and in the front of the slide. Sliders with aluminum inserts. Protection absorbent on the area of the ankle. Rubber outsole partially replaceable. Sole Nylon inner with arch support removable.