“Micro-Synth” upper and “Air-Tech" ventilated lining. Removable inner bootie with ”Eso-Motion 2.2” articulation and “D3O” ankle cups. P.U. moulded dual-compound shin plate and heel cup. P.U. moulded calf protector with micro-adjustable metal ratchet closure. Dual-density Vibram racing rubber sole with integrated high-resistance replaceable nylon slider.