Women's Birkenstock Boston Pro - White Our best-selling clog, retooled to help you get the job done. The Boston Pro brings on-your-feet functionality from top to bottom—a fluid-resistant, PU-coated leather upper, durable, slip-resistant TPU outsole and pronounced tread recreates the style with safety in mind. Featuring legendary BIRKENSTOCK® design elements, like a contoured cork-latex footbed that supports you through long hours on your feet. DETAILS: Contoured cork-latex footbed creates custom support with wear Fluid-resistant, PU-coated natural leather upper Cushioned PU midsole absorbs shock Slip-resistant TPU outsole Adjustable strap with metal pin buckle Certified Occupation Footwear: EN ISO 20347:2022 OB SR: ASTM F3445-21 SR