Updated and ready for action, the Akyra II GTX is the perfect shoe for those seeking protection and stability while moving quickly on variable terrain in all weather conditions. A 3D Grip upper comfortably secures and protects the foot while the ePE Gore-TexA(R) Invisible Fit (PFC-Free) membrane protects from the elements. The FriXionA(R) Red outsole provides excellent traction as the Trail Rocker2 system allows for a natural rolling gait mile after mile. Extremely rugged hiking shoe with great durability on ridge scrambles, loose scree, and long hikes ePE Gore-TexA(R) Invisible Fit membrane protects from rain, snow, and sand KPU 3D Grid exoskeleton and mesh uppers provide structure and breathability Trail Rocker2 outsole promotes natural pronation (outer heel to inner toe) support while hiking Shock absorbing MEMlex EVA midsole cushions your stride Aggressive lugs combined with FriXionA(R) Rubber and Trail Bite Heels provide all-terrain traction and maximum grip FrixionA(R) Red outsole features varied contact surfaces guaranteeing maximum grip and durability on all types of terrain Constructed without intentionally added PFAS WEIGHT: 13.7oz (390g) LACES: 100% Recycled Polyester UPPER: Recycled 3-Layer Air Mesh / KPU 3D Grid / Flex-Guarda;"A inserts LINING: BluesignA(R) Certified ePE Gore-TexA(R) Invisible Fit membrane with Gore-FlexA(R) / Recycled Air Mesh (heel) Collar INSOLE: Ortholite Hybrid with 5% recycled rubber + 15% production waste foam MIDSOLE: 2.4 mm LaSpEVA / Injection molded MEMlex EVA w/ BIO-based components SOLE: FriXionA(R) XT 2.0 / Trail Rocker2 with Impact Brake System / 5.5mm Lugs LAST: Tempo 2 FIT: Medium / Wide Technology ECO Materials Footwear made from recycled or environmentally responsible materials FriXionA(R) Red (XT 2.0) Dual rubber compound with stickier rubber in the center and durable rubber on the sides of the sol Impact Brake System Lug pattern with slanted and opposing angles to reduce impact forces and increase traction Vegan Products are free of animal-derived materials GORE-TEXA(R) Highly durable shell offers extreme breathability and waterproofness