Acorn A19023BLKMM men's algae infused wool slippers offered in a medium size and made of black contemporary faux wool upper which brings the goodness of the season with you wherever you go and cozy berber lining for extra warmth. These cozy slippers has easy on/off hoodback silhouette and it's versatile indoor/outdoor sole travels wherever you do. Premium, multilayer cloud cushion footbed delivers cloud-like comfort. Bloom algae sole is made by reusing harmful algae that is harmful for our environment, thus protect freshwater sources used by plants, animals and of course, humans. Acorn A19023BLKMM men’s black algae infused wool slippers, m is brand new in its original packaging and is backed by a limited warranty.