Birkenstock Boston Pro - Black Leather Size:39 Keep your beverages hot for

Keep your beverages hot for up to 7 hours and cold for as many as 11 - that's a big time win

Kinetic Fit™ ADVANCED removable contoured footbed with reinforced heel cushioning for medium support

Front velcro pocket for condiments and utensils

Eight separate panels for a great fit

Say goodbye to stinky feet on the trail

Birkenstock Boston Pro - Black Leather Size:39 Keep your beverages hot forA BIRKENSTOCK icon, retooled to help you get the job done. The Boston Pro clog provides on your feet functionality from top to bottoma fluid resistant leather upper, slip resistant TPU outsole and pronounced tread reimagines the style with safety in mind. Featuring trusted BIRKENSTOCK design elements, like a contoured cork latex footbed that supports you through long hours on your feet. Contoured cork latex footbed creates custom support with wear