Structured and protective mountain running footwear suitable for endurance paths such as Ultra Trails and Ultra Marathons. Akyra is particularly enveloping, comfortable and flexible, designed for prolonged trail uses. Color: Carbon/Cherry Description adopts a very enveloping comfortable upper upper structured on 3 layers that give from the inside to the outside: comfort, thanks to the seamless construction, flexibility and structure thanks to the innovative Skeleton ™ microlite application that follows the movement of the foot Dynamicly during the race, protection thanks to the multi-gaund ™ structural applications in microfiber that maintain light shoe but while providing a barrier against possible abrasions by running between rocks and roots. The exceptional stability is given by trailcage system ™ technology which placed between the two layers of the upper gives structure and enveloping integrating with the lacing system. The sole developed by the R&D Department Meshotiva mounts the new Frixion XT adherent tread with Impact Brake System and exclusive design with trail rocker technology that favors the natural support "external-internal heel" of the foot during the race. Cushioning, protection and comfort, 3 sides of a perfect geometry: origami, which is inspired by the general design of the shoe. With Akyra run it is an art. Tech Info La Sportiva La Sportiva La Sportiva La Sportiva La Sportiva La Sportiva La Sportiva Tomaia: Internal in AirMesh Ultra-Comfort + thermo-adhesive microfiber application in Skeleton ™ + engineer Tpu ™ + breathable external mesh mesh with flex-cuard ™ jams in microfiber lining: MESH Intersuola anti -school: Eva with plantar injection: ortholyte mountain running sole: compound adherent Frixion XT Drop: 9 mm Measures: 36 - 43 (including half sizes) Weight: 310g Half Pair Plus + enveloping, comfortable and breathable upper thanks to an innovative one 3-layer construction + sole with exclusive trail rocker ™ system: it promotes the natural support "external-internal heel" of the foot during the race + general structure of the footwear designed to ensure the banding of the foot while giving structure and protection