Mom prefers these silicone to foam for sound quality and comfort. Great little Ballet Slipper! My feet are about (mens) size 13-Wide, and I have the canvas version of this shoe in size 14W, which is a little small but not so uncomfortable I cant dance in them. "Put it this way, I took a six day break from work and as soon as I was back into work with these shoes on it was as if I had never taken a break as they were pretty uncomfortable. However, it wouldnt be a Razer product if it didnt come with some sort of build issue, and in this case the mouse wheel squeaks. Really nice box too, perfect for a gift! Google assistant commands work; although you have to press the button on one of the earbuds to answer the phone. I bought this as a Christmas gift for my brother, and he raves about it. The subject of the Quakers is a new topic for me, but I found it interesting. The sound quality is not bad.