Features:1. Upgraded Reflective Version: The chest of our mobile phone holder is highly reflective, front and rear design, which improves visibility when using it in the dark. Our reflective running vest can make outdoor travel at night safer and ensure more visions for people or drivers around you. 2. Lightweight And Breathable: The jogging vest is made of special neoprene anti-sweat material and weighs only (200g). Our running chest phone holder for men and women is the perfect phone holder for night runs. 3. Adjustable Waist Belt: Our reflective running gear comes with an adjustable belt buckle, designed to fit most body shapes and busts 28" to 50". You can adjust the buckles of the running phone holder vest to fit your best feel and performances. 4. Multiple Pockets Design: The front phone holder can easily hold most smartphones within 8 inches. The running harness also features 2 shoulder pockets for keys / coins / gum / snake, 1 front inner pocket for cards/cash, and 3 headphone jacks, so you can easily listen to your favorite playlist. 5. Best Choice for Runners: Wear our running vest, jogging is more fun and exciting! Our reflective device for running vest can help you check your smartphone at any time, to ensure a better running experience without having to take it out fits comfortably in your pocket. Specification:Material: SBR Product Color: Black Package Size: 28 x 20 x 4cmPackage Weight: 200gPackage Included:1 x Running Vest Phone Holder