Flexible double pocket design - neoprene running belt features front and back pockets for perfect protection of valuables, pocket for credit cards, keys, ID, paper towel, phones laptops. Hole design for compact earmuffs. Suitable for all smartphones up to 6.5 inch, such as iPhone 13/12/11/Pro/Max/Mini/XR/XS/X/8/7/6/6s Plus/SE, Samsung Galaxy Note 10/ mobile models S20/S10/S9/S8/S7/S6 Smartphone, etc. Lightweight and comfortable: Soft and sturdy neoprene construction ensures a light and comfortable belt to wear, ideal for long walks, running walking or trekking. Adjustable elastic nylon strap: easy to adjust, it adapts comfortably to the width of the body, offers maximum freedom of movement and comfort during long journeys, allowing you to benefit from a tight and optimal fit to avoid driving and abrasion. The lightweight running belt has a 25.5 to 53 inch waistband and a retractable waistband for a perfect fit. Waterproof Pocket - can be washed in the washing machine's waterproof belt, dries quickly, weatherproof, lightweight and durable. Ideal for women and men who are into physical exercises, running, traveling, trekking, gym, hiking, biking, jogging, climbing, outings and outdoor activities. outdoors.