Alpinestars SMX-1 R V2 Vented motor-boots the Low-profile SMX-1 R v2 motor-boots with ventilation entering a line of the boots, best in the class, for riding have the good ventilating properties which are ideal for warm days. SMX-1 R are an ideal golden mean between sports motorcycle boots and comfortable motorcycle boots. The model is made of modern microfibres that gives them comfortable, durable and wearproof properties with extensive perforation for the maximum air flow and air permeability. Front and back parts are strengthened well to protect legs. The extension "accordion" does these motorcycle boots flexible and convenient. The ankle from two parties is protected by a protector from thermopolyurethane. You can put on easily this boot with a zipper sideways and adjust it by means of a velcro in front. The model has ergonomic landing with an insole of an anatomic form, is equipped with a new evolutionary sole from rubber mix with the excellent drawing which provides good coupling with the road. The trunk of the motorcycle is punched in different parts well to air. Specifications: The main top is made of advanced microfiber the Innovative system of support of a heel which works in combination with a fastener at a thong, provides the improved landing and support and also structural integrity the Back part of a heel is processed by means of a soft insert from TPR which is organically combined with a back curved zone to provide big freedom of movement of an anklebone and comfort at control of the motorcycle and also a strong pillow of gear shifting of TPR. The advanced closing thong, anatomic curved to repeat a natural form of instep of the pilot. Front fasteners of the VELCRO® brand provide fast and reliable fixing in the field of rise, providing at the same time the excellent level of flexibility. Remeshok is equipped with the TPR stripper for usability. The zipper in the middle provides convenience of an entrance and exit; The Zipper is closed by signature fasteners of VELCRO® and the valve from microfiber for protection of the bicycle against scratches. The protector of an ankle of double density on the medial party located under top provides protection and resistance to attrition in a key area. The integrated replaceable slider for a front part of foot from thermopolyurethane with double injection differs in the new concept of simple screw fixing for faster and easy replacement the External high-modular back from TPU, the side ankle and a pillow of gear shifting for the improved protection against blows and durability Internal protection of a toe is multilayered under top for durability, the improved feeling and performance. A removable anatomic insole from EVA foam material and lycra for convenience, comfort and support. An internal mesh lining for comfort of cooling and removal of moisture of Characteristic: The certificate of CE according to Cat 2 CE the Certificate according to EU directive 89/686/ECC Production Italy