Birko Sport is the shockabsorbing footbed insole for people who enjoy sports activities. The upper cup is made of cushioning BirkoZell¬ while the stabilizing lower cup consists of BirkoKork¬. The anatomic shape of the insole supports correct heel to toe movement and distributes the pressure over the entire foot. The upper cup also offers a distinctive toe grip for improved blood circulation. The BirkoSport¬ system insole, which was developed especially for sports activities, stabilizes the foot through every movement.