Akyra is the structured and protective mountain running footwear suitable for endurance paths such as Ultra Trails and Ultra Marathons. Particularly enveloping, comfortable and protective, it is a trail shoe designed for prolonged uses on off-road land. Color: Carbon/Tropic Blue 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 ™ micro -microlite application that follows the movement of the Foot in a dynamic way 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 "exterior-internal-punta" of the foot during the race. Mistory, protection and comfort and comfort , 3 sides of a perfect geometry: origami, which inspired 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 Lining: Mesh Anti-Swswood Tomaia: Interior in AirMesh Ultra-Comfort + thermo-adhesive microfiber application in Skeleton ™ + engineer Tpu ™ + breathable external mesh with flex-guard grafts ™ in microfiber interstal: Eva with plantar injection: ortholyte mountain running sole: compound adherent Frixion XT Drop: 9 mm Measures: 38 - 47.5 (including half measures) Weight: 380g Half Pair Plus + General structure of the footwear designed to guarantee the Foot bandage at the same time giving structure and protection + sole with exclusive trail rocker ™ system: it promotes the natural support "internal external-punt" heel of the foot during the stroke + enveloping, comfortable and breathable upper thanks to an innovative 3-layer construction