The Karhu Strong 3 is made for the training, focused runner who seeks pronation stability and superior underfoot support and comfort, all while featuring a forward stability fulcrum for maximum forward propulsion.
Upper: Open air mesh in vamp and collar supported by a tight, single ply and lightweight mesh in the saddle increases breathability and provides a lighter weight with an anatomical fit around the foot. The air mesh upper also ensures breathability throughout the forefoot and instep while supporting the medial and lateral saddles. 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. Firm EVA fulcrum with medial support sidewall helps the runner transition to their forefoot and into toe off efficiently, all while protections against over pronation. 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.
14 mm heel to toe offset.
Outsole: Combination compression molded, and blown rubber outsole with anatomic flex relief and full ground contact sole gives you performance traction and forefoot cushion.
Shoefitr lets you try on shoes online by showing you how they will fit.
Shoefitr uses 3D scanners to collect a shoe's internal measurements.
The measurements of your current shoe are compared to the one you want...
...and Shoefitr recomments the best fit.