Merrell "Tahoe" Slippers

These are cute, but I'm not sure how to describe them. They may be water shoes as the sides and top are a breathable, stretch fabric. They are in very good condition, but the soles show discoloration on the fabric-coated surface. The inside is clean. Just a cute pull-on slipper. Colors include: blue, aqua, green. Womens size 9.5