Birkenstock Birko Contact Sport Insole (1001297)

Birkenstock Birko Contact Sport Insole:
 - provides the foot with extra grip during sports and is suitable for flat shoes or those with a low heel
 - modeled on the footprint of a healthy foot
 - Footbed lining: microfiber; color: blue
 - Length: 1/1
 - Sports-friendly, cushioning upper cup
 - Stabilizes the feet