They emphasize lower-midrange and bass; treble is non-existent. I have long and narrow feet, and I could see that the thong part (not adjustable) could be pretty snug for anyone with wider feet. for standard mounting. I also discovered that with sandals, they are much more comfortable if you fit them to your arch. 7) Price - While the mic is definitely not cheap, I find the price very reasonable given the quality. Ive been looking for one of these forever! Ill give them light weight as theyre simple slippers. This one is a copy of the brand as it is way to small and not arched properly as in the original Isotoner . As always, make sure youre using the right mounting hardware for your wall. I bought the Nature color and treated them with EVOO.