Lighter of leather it has very high mechanical properties outstanding tensile strength, Specifications Include:, 9 billion pores per square inch, These pores are 0, - Soft arch area, - Shaped and fixed shin plate with lower air channels, Full Grain Microfibre Upper, - Full grain microfibre upper - Full grain microfibre have very similar characteristics to the genuine leather, The result: you stay warmer when it's cold and drier when you perspire, - Performer Gore-Tex Motorcycle Boots. so that less moisture is trapped in the insulation, - Internal and external shaped ankle pads, tear resistance and flexing endurance, Gore-Tex Waterproof Lining, Shaped & Fixed Shin Plate, 000 times smaller than a water droplet, - Calf area exhaust in soft polyurethane protected with mesh, but 700 times larger than a water vapor molecule. It maintains its softness independently from the exposition to every temperature. - Metatarsus external protection, - Rubber top sole, Rubber Top Sole, Sidi Performer Gore-Tex Motorcycle Boots: Car & Motorbike, - Gore-Tex waterproof and breathable membrane - The Gore-Tex membrane is at the heart of all products engineered with Gore-Tex fabrics, Full grain microfibre is not affected by aging and all its features are meant to be long-lasting, Water from the outside will never penetrate, It contains over, Yet perspiration can escape easily. 4 billion microscopic pores per square cm. Metatarsus External Protection. Sidi Performer Gore-Tex Motorcycle Boots: Car & Motorbike. - Shift pad, Your package will include the following:. - Nylon inner sole with removable arch support pad. - Replaceable toe slider, Full grain microfibre is breathable and water repellent, - Elastic panel adjacent to the closure on the calf area. - Smooth heel cup for more adherence with the bike, More resistant than leather.