SUPER EASY TO WEAR & SAFE: Complete with headphone hole, enjoy the music during running. Reflective tab on the pocket ensures your safety in the night runs. Ideal for endurance running & training. Also suitable for walking, dog walking, hiking, golf, skateboarding, snowboarding and cycling. Spatial design and sports professional: The bottle running belt has two zipper pockets, with inner layer and key hook in the main expandable stretch pocket, separate your valuables reasonably, fits most smartphone phones up to 6.6 inches, like iPhone 11, 8 Plus, 7S Plus, 6 Plus, perfect for credit cards, ID, keys, paper towel, bars choc, energy gel packs, running accessories. Outside of the small pocket with compression bungee band for extra attachment points for clothing, gloves, hat, etc. FLEXIBILITY BOTTER HOLDER COMPATIBLE FOR MOST BOTTLES: The bottle carrier has some flexibility to allow for differing bottle diameters and has a holding loop for extra security if required. Fits bottle diameter up to 3.2 inch (80 mm). The water bottle is not included. INNOVATIVE 45 DEGREE ANGLE BOTTLE HOLDER DESIGN : Angle design will resolve the weight on your hip make sure no shaking during your move, and contour to the curves of your body for a comfortable carrying experience. NO bounces steady fit, easy one handy access, Perfect for races requiring lightweight and speed. Evenly distributes the weight of your belongings for a bounce-free ride while you run, hike, marathon, or bike. ANTI-SLIP TECHNOLOGY FOR ULTIMATE FIT AND FRICTION-FREE COMFORT : AiRunTech Upgraded run belt hook & loop tape’s in place nicely and doesn’t loosen while running, give you the ultimate freedom of movement and comfort, personalized fit for hips from 20-47 inch (50cm-120cm), Designed to be worn low down on the hips, ensure total comfort by removing friction, allows for a snug fit that stays in place without bouncing or chafing during use. Zipper closure.