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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Outsole: Winter traction outsole with 4mm lugs and zig-zag siping
DuraFresh odor protection insole
The contoured footbed is washable up to 86° Fahrenheit
Knit in Indonesia: 55% Merino Wool
Material: water-resistant smooth leather
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