Sidi Crossfire 3 SRS motor-boats Innovative model of footwear for cross-country race which is one of the best in the world market. The product is made of completely waterproof, air-permeable, extremely durable material Technomicro. Motor-boats are equipped with high-strength polyurethane protectors for reliable protection against injuries and mechanical damages. The zone of an anklebone is in addition protected by ergonomic stuffing from the made foam material with a small time. The breathing Cambrelle lining with polyamide structure differs in high resistance to attrition and also provides good absorption of moisture, guaranteeing fast drying. Besides, in boots will fit soft fabric with a teflon covering which optimum absorbs sweat and water that the long time allows to wear shoes, without feeling discomfort. The ergonomic hinged design is provided in avoidance of excessive extension of an ankle joint; provides its reliable fixing, thereby increasing safety of the racer. The exclusive system of double adjustment Dual Flex does possible adjustment of internal diameter of boots in a gastrocnemius muscle under the individual sizes that is especially important for people with wide calves. It also gives the chance without effort to put on kneecaps. The product is equipped with 4 microadjustable, replaceable fasteners, each of which has the fixing teeths and micrometric thongs. Buckles have only one point of fastening (by means of the screw) that allows to close easily them and to regulate optimum under the changing position of a leg. The system of the central closing with two attached screws can be quickly replaced in case of wear. Key feature of model is the system of replacement of a sole (SRS). Boots are standardly delivered with smooth soles in style of cross-country race, but can be replaced by more aggressive for enduro. Reflective elements are intended for visibility strengthening at night. If you always want to feel stylish, surely and safely, buy Crossfire 3 SRS motor-boats from the Sidi brand! Features: The ergonomic hinged design High-strength polyurethane plates In a zone of an anklebone is applied ergonomic stuffing from the made foam material with a small time the Breathing Cambrelle lining the Air grid with teflon processing in an ankle joint the Nylon removable insole the Exclusive system of double adjustment Dual Flex the 4th microadjustable fasteners with buckles which have one point of fastening (by means of the screw) Thanks to existence of 2 screws the central system of belts (in case of wear) the System of replacement of a sole (SRS) the Metal insert in the field of a sock Reflective elements of Characteristic can be quickly replaced: Production material: Technomicro, polyurethane Production: Italy