I used my iPhone 5 without a case and I have to agree, the 5 was beautiful. The 6S I now have is too slippery to use without a case, though (even ignoring the '

I used my iPhone 5 without a case and I have to agree, the 5 was beautiful. The 6S I now have is too slippery to use without a case, though (even ignoring the 'unstable on its back' argument). I would definitely buy a thicker phone though, especially if it gave me better battery life.