QUALITY MATERIALS: Our Armband Is Made Of The Highest Quality Soft Neoprene That Is Made To Flex, Twist, And Bend But Not Stretch Out Of Shape. It Can Stand Up To The Toughest Of Workouts And Marathons. The Armband Is Ultra Lightweight (1.5oz) For Speed And Comfort During All Activities. Our Armband Offers Full Screen Coverage Yet You Will Retain Full Touch Screen Functionality, Along With Full Headphone Jack Support For Apple And Android Phones.

• TOP RATED: 4.4 Out Of 5 Stars! ENVIRONMENTALLY FRIENDLY: The iPhone 6 (4.7") Armband is SGS Approved. Join the Green Side! Eco Friendly.
• SIZING & COMPATIBILITY: Double Adjustable Velcro Armband Will Fit Any Arm Size From 8" - 16" Inches. The Armband Is Designed For and Will Fit Perfectly The Apple iPhone 6/6S (4.7"). It Will Also Fit Smaller Phones Such As The iPhone 5/5s/5c, Samsung S4, S3, S2, HTC, With Headphone Support For Most All Phones As Well As Any Phone That Has A Screen Up To 5.2".
• BONUS FEATURES: Our Armband Includes A Reflective Strip For Safe Running In Low Light Conditions. SECURE Built-in Hidden Key Holder, Perfect For House/Car Keys! Never Worry About Having To Carry Your Keys In Your Pocket Or Losing Them At The Gym. -WE MAKE FITNESS SIMPLE  

Arm your mobile device while exercising with our Sport Workout Armband

PREMIUM MATERIALS: Made of stretch resistant neoprene. The Sport Armband case easily bends, flexes, twists, and folds without warping. Comfort-grip keeps the band firmly on your arm during workouts and running. Headphone and charger cutouts allow direct access to the phone through the armband.

UNIVERSAL SIZING: Multi-slot Adjustable Velcro Armband Will Fit Almost Any Arm Size Up To 14". [ Compatible with Apple iPhone 6 4.7 inches] Compatible with iPhone 6/SE/5SE/5S/5C/5/4S, Samsung Galaxy S7/S6/S5/S4, S6 Edge.

TOUCH SCREEN COMPATIBLE: Enjoy the full use of your smartphone 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 phone.

EXTRA FEATURES: Water resistant design protects against water and sweat. Built-in key pocket; secret compartment stores your house key while exercising.

LIFETIME WARRANTY:  Offers maximum protection for the life of your ArmTrek Armband.

Note: It may not fit the phone with an additional casing.