The new La Sportiva Akyra Yellow mountain shoes are born from the combination of the best characteristics of the Ultra Raptor, Akasha and Bushido to make the most dynamic shoe possible. The new La Sportiva Akyra mountain shoes in Yellow SS17 are born from the combination of the best features of the Ultra Raptor, Akasha and Bushido to make the most dynamic shoe possible.Comfortable and breathable wrap-around upper in innovative 3-layer construction Sole with exclusive Trail Rocker ™ system: favors the natural support "external heel internal toe" of the running foot General structure designed to guarantee foot support and greater protectionLining: Anti-slip mesh Upper: internal in AirMesh Ultra-Comfort application in thermo-adhesive microfiber in TPU MicroLite Skeleton ™ external breathable mesh Flex-Guard ™ in microfiber Midsole: EVA Insole: Ortholite Mountain Running Outsole: FriXion XT adherent compound Drop: 9mmWeight: 335gr