Power-innovation via Amazon offers the Maxboost Vibrance Case for iPhone 6 in Turquoise/Champagne Gold for $14.98. Coupon code "TZ57YKFT" cuts it to $5.98. Plus, Prime members bag free shipping. (Non-members can qualify for free shipping with orders of $35 or more; otherwise, shipping adds $6.01.) That's $24 off list and the lowest total price we could find. It features 4-sided protection.