1. iPhone 6 Plus , iPhone 6S Plus Armband, Nancy's shop Premium Exercise Sports Easy Fitting Slim Scratch-Resistant Running Walking Water Resistant+ Key Holder Slot For iphone 6 Plus 5.5 Inch (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Designed specifically for iPhone 6 Plus / iPhone 6S Plus, Lightweight armband keeps your phone secure and protected.Water Resistant and sweat-proof function to better protect your phone, make you feel more comfortable during exercise& Due to varying color display of different brand monitors, actual color may differ from photo

2. iPhone 7 Plus Armband, JEMACHE Fingerprint Touch Supported Running Sports Workout Exercise Gym Arm Band Case for iPhone 6/6S/7 Plus with Card Pockets and Key Slot (Grey) (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
TOUCH SCREEN COMPATIBLE: Enjoy the full use of your phone through the protective screen cover on the armband with fully touch compatible, easily answer calls, manage your playlist, or activate your stopwatch without removing.The armband case easily bends, flexes, twists, and folds without warping. The velcro band supports a wide range of arm girth from 8.5" (21.6cm) to 15" (38.1cm). Adjustable velcro strap protects and stabilizes device without slipping or constricting.

3. Diateklity Sweat Proof Sport Armband for Big Phones, 5.5 Inch, for IPhone 6 6S Plus (Fits Otterbox Case) - Ideal For Running and Other Exercise - Adjustable for Both Men and Women (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
SCREEN PROTECTOR - Diateklity sports armband fits perfectly Big Phones, iPhone 6, 6S Plus(Fits Otterbox Case) as well as any Phone that has a screen up from 4.5" to 5.7". (Headset is not included)PREMIUM MATERIAL - With water resistant design, Diateklity sports armband protects your phone against water and sweat. Premium Neoprene keeps the armband firmly on your arm even with long use.

4. Sports Armband: Cell Phone Holder Case Arm Band Strap With Zipper Pouch/ Mobile Exercise Running Workout For Apple iPhone 6 6S 7 Plus Touch Android Samsung Galaxy S5 S6 S7 Note 4 5 Edge LG HTC Pixel (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
BRING COMFORT TO YOUR EXERCISING ? **As seen on FOX, CBS, NBC and ABC.** Featuring the all new flexible Velcro strap that hugs your arm and assures the Armband will stay in place during your run or work out. The revolutionary SOFT but durable fabric will allow you customize your Armband to fit your arm PERFECTLY and give you MAXIMUM COMFORT no matter what size of arm you have! In just a few seconds you will have this Armband Holster adjusted to fit your arm comfortably!ZIPPER POCKET ? This Armband includes a SECURE Zipper Pocket that sits separately behind the phone. Its a perfect pouch for your keys and wallet that you always need with you. Now you never have to worry about having to carry your keys in your pocket or losing them on a run or at the gym. The Armband also has a REFLECTIVE LIGHT STRIP to keep you safe and seen at night. Stay focused on achieving your goals instead of worrying about cars not being able to see you while running in the evening!

5. FRiEQ Armband with case for iPhone 6 Plus - Lightweight and Fully Adjustable - Ideal for Workout, Hiking, Jogging, Gym, Running or Other Sports (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
Designed specifically for iPhone 6 Plus for Phones without the casePlease Note Making belt velcro near against the back PC part will fit smaller arm size Perfect for active lifestyles from trips to outdoor activities Easy to get your phone in and out Easy to access your phone Easy to clean