Distinctive Design: Running belt is made of soft ice silk material, so the runners belt is very soft and breathable, The Running Waist belt conforms to the human arch design, Fits comfortably to your body and doesn't move, jiggle, chafe. The running fanny pack has a special headphone hole design, you can enjoy music all the time. Reflective Design is Safer: The middle of the running fanny pack is coated with reflective coating. Reflective design makes sure that you are safe even when running at night or in low-light conditions! Waterproof Material: Running belts for women men with built-in PU waterproof coating. Water resistant material protect your phone and other valuables safe and dry from sweat and almost any weather condition. Small Body Large Capacity: Slim fanny pack keeps a low profile on your waist, while the expandable pockets for phones up to 7.5 inches, while you can also fit keys, money etc. Bidirectional adjustable size: The sports belt has a two-way adjustable buckle that allows you to adjust the size of the belt to fit your waist. Adjustable sizes are 15.7"-70" Suitable for men, women.