Birkenstock Unisex Birko Sport Arch Support - Sport Plastizote ORTHOTIC DESIGN: Whether you're on

ORTHOTIC DESIGN: Whether you're on your feet all day at work or hitting the trails on the weekend

WonderZorb Cushions absorb the foot shock forces that can aggravate pain and discomfort with every step

'hammer' and crooked toes

Digital LCD Display

will not attach properly to soft rubber

Birkenstock Unisex Birko Sport Arch Support - Sport Plastizote ORTHOTIC DESIGN: Whether you're onBirkenstock Unisex Birko Sport Arch Support Sport Birkenstock Size and Width Chart Please be advised that the Birkenstock Narrow width accommodates both traditional narrow and medium widths. The Birko Sport Arch Support Sport system provides support and cushioning when you need it the most! This two part arch support system is made specifically for sports shoes. The blue foam insole retains memory of your foot providing all day comfort. The cork heel