thanks to a proprietary carbon fiber and polymer blend

Premium leather and suede uppers

Sitting on an elevated sole

inside zip

Birkenstock's best-selling sandal in an ultra-lightweight style

M990GL6 Extra Wide FL16BIRK thanks to a proprietary carbonAVAILABLE IN 4E & 6E WIDTHS The MADE in USA 990GL6 embraces the 990s original market mandate, with a series of performance inspired updates. The upper dispenses with the standard midfoot saddle, allowing the pigskin and synthetic overlays to flow from heel to toe across the mesh underlay, for a speedy, streamlined look. While the evolved design marks one of the most dramatic changes from one generation model to the next that the 990 has ever seen, the