The Foamtreads Doctor is an adjustable men's slipper. This slipper has a 3 way secure adjustable straps for a customized fit. The upper is made with a 70% wool blend for temperature stability with anti-bacterial nylex lining. This shoe features a removable anti-bacterial nylex footbed with latex foam backing. The Doctor has a dual density 100% non marking rubber outsole that is made for indoor or outdoor use. The Foamtreads Doctor is adjustable to fit your feet just right!