Performance with a feminine edge, KEEN® Kosa Backstrap Mary Jane Sandals. Designed for women who never pause their plans, these all-weather platform Mary Janes feature a premium, ethically sourced leather upper that's seam-sealed for protection without sacrificing breathability. Inside, a soft fabric lining with moisture-wicking comfort keeps feet feeling fresh, while the cushioned foam insole delivers plush, all-day support. Powered by revolutionary KEEN.CURVE technology, every step feels smooth, energized, and almost float-like, reducing fatigue whether you're city strolling or weekend wandering. The durable rubber outsole with KEEN.WET TRAX traction keeps you confidently grounded on wet or unpredictable terrain. An adjustable closure ensures a secure, personalized fit, while KEEN's Contoured Fit offers a sleeker silhouette with dependable stability.