Product details:

This two-part insole offers moderate support and cushioning for sports activities. The upper surface is made from damping BirkoZell. The underside is made from stable and shock-absorbing BirkoKork. The parts can be worn individually or together.Two-part system includes arch support and EVA foam top layer to absorb impact.
Metatarsal Pad provides extra cushioning under the ball of the foot.
Compressed foam heel cup absorbs shock, while helping stabilize the foot.
BirkoCork (cork and EVA), BirkoCell EVA liner.
Made in Germany.