The shank unit supports the midfoot and controls the outsole to flex in the forefoot and keep the shank stable.
This optimizes walking comfort and reduces fatigue. The glass fiber shank will always keep its shape and never draw cold which is an advantage to conventional steel shanks.
The shank unit supports the midfoot and controls the outsole to flex in the forefoot and keep the shank stable.
This optimizes walking comfort and reduces fatigue. The glass fiber shank will always keep its shape and never draw cold which is an advantage to conventional steel shanks.