Birkenstock - Birko Contact Sport Insoles - Blue synthetic Outsole: Winter traction outsole with

Outsole: Winter traction outsole with 4mm lugs and zig-zag siping

Modeled on the cork original

Classic Birkenstock Milano 3-strap with a rugged new sole

Material: water-resistant smooth leather

It all rests on an original contoured footbed for the ultimate in support

Birkenstock - Birko Contact Sport Insoles - Blue synthetic Outsole: Winter traction outsole withBirko Contact Sport insoles are a full length, semi rigid orthotic arch support insole for low to neutral arch types. They feature a microfiber lined foam top layer with a deep heel cup for natural cushioning and shock absorption, natural contoured arch support for longitudinal medial arch support, and a low impact metatarsal support. The EVA base provides flexibility and also helps absorb shock while molding to your feet over time for superior