Neutral. This trail-inspired evolution of the Karhu Forward 3 leverages the same advanced lightweight design of the standard version and throws in some trail-specific features. The upper has been enhanced with water resistant materials, while an added rock underfoot protects you from roots, rocks, and branches.

Upper: Waterproof upper with synthetic gusseted vamp. Soft shell, water resistant vamp/tongue keep the foot dry. Anatomically mapped tongue provides comfort and protection from the laces without interfering with the fit. Eco synthetic fiber collar lining with rolled collar is breathable, lightweight, and comfortable. HF Weld/Mesh reinforced toe tip provides lightweight abrasion resistance. HF Weld/Mesh reinforced toe tip gives you increased visibility in low light conditions.

Midsole: EVA padded lasting board provides step in comfort. Precision engineered compression molded EVA midsole with tuned durometers provides ultimate forward efficiency. Injected molded composite Fulcrum made of Pebax is based on two years of dynamic bio-mechanical research and helps the runner transition onto their forefoot and into toe off efficiently. Anatomically designed, EVA forefoot insert with hourglass shape aligned to the metatarsal heads ensures support and cushioning of the met heads during the propulsion phase. Combination PU foam and molded EVA heel pad breathable insole gives you excellent cushioning, moisture management and durability for a great step-in feel. Ballistic mesh membrane provides rock and puncture resistance for protection from trail debris.

14 mm heel to toe offset.

Outsole: T lug compression molded rubber outsole with anatomic flex relief and backfilled EVA is lightweight yet provides durable performance traction and forefoot cushion from the backfill of the T lugs. Rugged trail outsole provides enhanced traction on all terrain surfaces.