Birkenstock - Birko Contact Sport Insoles - Blue Size:40 Regular it's perfect to wear anywhere

it's perfect to wear anywhere

Antimicrobial action pushes away bacteria and odor

Two adjustable straps with tonal metal pin buckles

Semi-rigid orthotic arch support insole

The Uppsala Mid boot laces you into an everyday style designed for complete comfort

Birkenstock - Birko Contact Sport Insoles - Blue Size:40 Regular it's perfect to wear anywhereBirko 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