BIRKENSTOCK BLUE FOOTBED INSOLE MEDIUM Size:33 The curved heel unit means

The curved heel unit means better hold

Tonal front-lace closure

Upper: Textile and Man-Made

But what about all-around style

BIRKENSTOCK BLUE FOOTBED INSOLE MEDIUM Size:33 The curved heel unit meansProduct Details: The Blue Footbed utilizes the principle of walking barefoot. It is based on the impression left by a healthy foot in sand, creating a natural environment for your feet. The heel area is cushioned and stabilized thanks to the raised design. This also supports the natural arch of the foot. The Blue Footbed is therefore ideal for anyone who would like to enjoy the unique comfort of BIRKENSTOCK in enclosed shoes made by other brands too.