Karhu Fluid 3 running shoes are everyday trainers that deliver comfortable efficiency for a perfect ride regardless of your pace or distance. These stylish and exceptionally brilliant colors will be a great complement to any running outfit. Ideal for neutral runners seeking a blend of cushion and responsiveness. Upper: Open air mesh vamp supported with welded/seamless lateral quarter ensures breathability throughout the forefoot and instep with a seamless, low-profile construction throughout the lateral quarter. Tongue is anatomically mapped around the instep to provide comfort and protection from the laces. Welded skeletal, protective reinforced toe tip and mountain M logo is lightweight and supportive for protection and durability. Lace-up front offers an adjustable fit.Midsole: Precision engineered midsole unit combining a compression-molded fulcrum with injected EV-icient midsole provides an optimal combination of cushioning and responsiveness for an efficient transition through the gait cycle with reduced braking forces. Tuned geometry combines compression and injection pieces for consistent midsole shape. Removable EVA footbed with breathable, moisture-wicking top cover provides moisture management and durability. Outsole:Blown rubber forefoot and compression molded rubber heel. Full ground contact sole with contoured cushioning deflection channel offers performance traction with lightweight landing comfort.