Birkenstock Birko Sport 9210 - One Pair (#BIRKOSP) Size:39 They are constructed with a

They are constructed with a jute felt top liner prevents abrasion and hot spots in addition to additional cushion and insulation with an active charcoal filter fiber bottom cover to prevent bacteria and provide odor control

leather lining and genuine Python vamp & counter

A full range of movement is vital when you are working out and the stabilizers also give you the opportunity and ability to tighten up and conversely

This is a marking sole

Professional Shoe Strechers  (#PSSM)

Birkenstock Birko Sport 9210 - One Pair (#BIRKOSP) Size:39 They are constructed with aBirkenstock Birko Sport 9210 One Pair (#BIRKOSP) 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. Anatomical shape Pressure distributed across entire tread area Damping materials For sporty shoes, leisure shoes