Birkenstock Sport Narrow Insole (Unisex) - Blue Size:43 Anatomically designed cork and latex

Anatomically designed cork and latex midsole

Ultra-lightweight and Dual-density Polyurethane Slip-Resistant Outsole

Best for: Walking and everyday casual wear

Modeled on the cork sandal

Unbelievably cozy

Birkenstock Sport Narrow Insole (Unisex) - Blue Size:43 Anatomically designed cork and latexThe 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. Anatomical