- BIRKENSTOCK / Birkenstock stitched toe-cuff semi-open clog in moccasin style, you can immediately recognize it as a genuine original thanks to its wide cork sole. What catches the eye is the eye-catching seams. Color A coordinated insole completes the shoe's sophisticated look. The upper is made of high-quality nubuck leather, which is convincing for its natural, rustic look. Upper: Suede Sole: Cork midsole and EVA rubber backing Size: 35-45,