A class leading, low cut performance riding boot, the SM-1 R v2 Riding Shoe incorporates a host of technical innovations for improved levels of comfort, fit and durability. Constructed from a lightweight and abrasion resistant microfiber upper and reinforced with strategically positioned TPU (Thermoplastic Polyurethane) protectors, the SMX-1 R v2 Riding Shoe features a rubber compound sole with superior grip pattern for excellent grip both on and off the bike, while the flex zones give support and control regardless of your riding position. � Innovative heel counter support system, which works in conjunction with a strap closure to offer improved fit and support, as well as structural integrity Rear of heel counter has been designed with soft TPR (Thermoplastic Rubber) insert which works seamlessly with the rear flex zone to allow for improved freedom of ankle movement and comfort on the bike�s controls Rear flex bellow is equipped with a flex window, which also acts as an air intake for effective ventilation and airflow Ergonomic TPU shift pad for enhanced durability in a critical area Ergonomic boot shaping for forefoot streamlining which offers wide ranging foot profile fit and comfort Evolved closure strap is anatomically angled to follow natural shape of rider�s instep Front Velcro closure system offers