Comunque ottimo prodotto The straps are delicate (but hold your foot in place) and are very flattering to the feet. But I knew that having bought many pair of Tevas for my daughter. T-Shirt is made of a high quality cotton, spandex, polyester blend which feels great. A full eight hour day! Also, the front clip isnt very comfortable and also leaves marks on my armpits and uncomfortable. Battery life is great as well, can go through 2 nights of 4 hour gigs without charging though I turn them off in between sets. - Read the other comments on these too) the screws to fasten the top and bottom plates are screwed in the columns rather than packaged separately and they are almost impossible to remove. But this is a speaker, so the the most important thing is the sound: its very good, all things considered. I have a set of Air Pods pro that I love the sound.