Birkenstock Unisex Birko Sport Arch Support - Sport Plastizote Digital LCD Display

Digital LCD Display

enabling faster acceleration and rope spin speed and more consistent execution of double-unders

and accessible to be used at anytime or anyplace

will not attach properly to soft rubber

'hammer' and crooked toes

Birkenstock Unisex Birko Sport Arch Support - Sport Plastizote Digital LCD DisplayBirkenstock 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