Birkenstock Sport Narrow Insole (Unisex) - Blue Size:43 Ultra-lightweight and Dual-density Polyurethane Slip-Resistant

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

LINING: Dri-Lex Eco™ with Cleansport NXT for organic odor control

Anatomically designed cork and latex midsole

Modeled on the cork sandal

The Xelero Athena II is a super chill shoe that offers light support and an awesome walking experience

Birkenstock Sport Narrow Insole (Unisex) - Blue Size:43 Ultra-lightweight and Dual-density Polyurethane Slip-ResistantThe 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