Hardcore Workout Armband for ZTE Axon Pro / ZMAX / Boost MAX+ / X MAX+ Carry your phone whenever you're on the go with the Lifestyle Armband Case Great for working out, jogging, outdoor activities or anytime you're on the go Adjustable Touch fastener restraint strap is designed to accommodate most arm sizes Armband is designed to fit X-large cell phone models up to 6.30 x 3.4 x 0.65 inch