F-color via Amazon offers its F-color Sports Armband Case in six colors for $11.99. Coupon code "AT2IYQ7I" drops it to $8.99. Plus, Prime members bag free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.08.) That's $17 off and the lowest total price we could find. It's compatible with the iPhone 6/6s, Samsung Galaxy S6, S5, S4, S3, and other Smartphones between 4.7" and 5.1". It features earbud slots, key holder, and water resistant band.