I've had these slippers for well over a year now, and while they're wonderfully comfy as slippers, my favorite part is that they also turned out to be the perfect solution for my troubles with wearing normal sneakers (OK, cross trainers or official walking shoes or whatever) while working out on the elliptical. Even with expensive brand name, theoretically well-cushioned athletic shoes, my feet were getting sore and a little numb after more than 20-30 minutes on the elliptical, and I do 45 minutes at a time so was getting pretty uncomfortable. One day I took a notion to just leave my slippers on, and it worked like a charm. Strange as it sounds, the Acorns have been my official workout slippers ever since and my feet are much happier. I alternate two pairs and put the other in the wash in between. The original set is finally beginning to wear down and I'm ordering two more today to keep me going for another year or so. Best crazy idea I ever had, and best slippers too!