Running fanny pack, the back of the pocket is in contact with the skin, and the seamless design brings more fun to sports. Adjustable running belts fit all body types. Ideal for running, cycling, hiking, and other outdoor sports. Adjustable waist sizes up to 43.31in. The waist pack comes with a 300ml water bottle, a water bottle pocket, and two elastic pockets to keep cell phones and other essentials safe. Hook and loop closure design makes it easy to adjust the length of the belt to fit your waist.