● Soft comfortable and breathable materials provide a comfortable experience● Black iron sand on the inside can enhance the effect of the exercise.● Two adjustable buckles can be adjusted according to the user's body shape● Reflective strips keep users safe at night● Fine workmanship and tight stitching prevent sand leakage● Thick and wide shoulder straps distribute weight evenly across the shoulders● The back pocket can be used to store small items like cards keys and cell phones● Helps you increase exercise burn more calories and build muscle● Can be used while running climbing exercising or even walking● Ideal for all sports enthusiasts
