Flex: 8/10 New Dual Atop Lacing System - The dual lacing system uses two independent cables to tighten the instep and shin separately and helps to better fix the foot towards the heel of the shoe. EVA + Rubber Outsole - The new combined outsole of abrasion resistant rubber, shock absorbing EVA material and a gel layer under the heel provides a high level of comfort and durability. Gel Cushioning System - The gel cushion in the sole under the heel provides a higher level of cushioning and comfort when riding. Liner Ankle Support - Perfect fixation of the foot in the shoe is essential for a perfect riding experience. Thanks to the fixation padding around the ankle, the foot is perfectly seated in the shoe and the heel does not lift during the ride. Anatomic Insoles - Anatomically shaped insoles to support the transverse and longitudinal foot arch and better cushion impact. Aluminum Heating Foil - A layer of aluminum foil along with an EVA foam inner bootie for thermal comfort. Long Lasting Shell - The upper of the boot is made of high quality materials that are resistant to abrasion and wear. They guarantee a long life of the shoe. Stretch Link Design - A flexible panel between the top and bottom of the boot in the ankle area allows the foot to flex naturally. Tech Liner - Inner liner with a separate quick tightening. Includes reinforced side panels for maximum protection during hard riding.