Birkenstock Women's Madrid Big Buckle Size:42 Mix one serving of Nuun

Mix one serving of Nuun Recover with 16oz of water and drink immediately after your workout to begin rehydration

Active Series Design: A lighter and more flexible silhouette with a slightly lower cut

Custom Fit: Comes with an extra set of footbeds allowing for a custom

Footbed “Made in Germany”

Contoured Support: The anatomically shaped cork-latex footbed provides structural support to the arches and heel for better alignment

Birkenstock Women's Madrid Big Buckle Size:42 Mix one serving of NuunA strap, a buckle and a contoured cork footbed are masterfully combined to create the original Birkenstock sandal the Madrid. Fit: Contoured cork footbed molds to your foot's shape for personalized comfort. Deep heel cup and arch support provide stability and alignment. Adjustable strap with a big buckle for a secure and fashionable fit. Features: Lightweight and flexible EVA outsole offers cushioning and shock absorption. Versatile style perfect for