Leather Imported EVA sole The 'Boston' from Birkenstock is a classic clog that will add style and comfort to your wardrobe. Anatomically correct cork/latex footbed, crafted from cork that is 100% renewable and sustainable, encourages foot health. Neutral heel profile and deep heel cup keeps the natural padding of your foot where it belongs, under the heel, distributing your body weight more evenly. Natural dark brown leather upper (not synthetic). Made in Germany by Birkenstock. The Boston SLIP-on Clog from Birkenstock is a classic clog that will add style and comfort to your wardrobe. Anatomically correct cork/latex footbed, crafted from cork that is 100% renewable and sustainable, encourages foot health. Raised toe bar is designed to encourage the natural gripping motion of your feet, exercising your legs and aiding circulation. Neutral heel profile and deep heel cup keeps the natural padding of your foot where it belongs, under the heel, distributing your body weight more evenly.