For $6 I bought FROSTED CLEAR HARD TPU GEL SKIN CASE COVER FOR HTC ONE 2013 M7 PHONE ACCESSORY
From case_ology on ebay.
i could not be happier. The beauty of the One shows through and it protects the camera lens and screen from scratches due to the raised lip in front and material thickness in the back. The on/off switch is raised, yet infrared shines through.