Spigen is the way to go. I've been using their clear case on my 6 for two years. https://www.amazon.com/gp/product/B01GIWGFMU/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 this is the one I got for my 7+Spigen seems to be pretty popular. I'm thinking of getting the clear case
Wanted to go with https://www.amazon.com/iPhone-Spige...d=1474133543&sr=1-1&keywords=spigen+jet+black but I wasn't sure how it'd look. Waiting for reviews to come out.
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