ATERIAL(Ultra-Light): Nylon/Lycra/Neoprene fabric for moisture wicking, quick drying, stretchable, and great softness against your skin. The material is lightweight so you almost cannot feel it when you put it on.
SIZE: Fits 25.9 – 42 inches waists with fully adjustable elastic strap. Strong adjustable elastic waistband ensures it bounce free. Dimension size: 4.72″x7.87″ (HxL)
SMART PHONE FIT: for most of smartphones including Apple iPhone 5S, 5C, 6, 6 plus, 7; Samsung Galaxy Note Series & Samsung Galaxy Series; SONY, LG, or any other smart phone compatible.
Holdings: Most of smartphones, passport, keys, credit cards, money, energy gels. Ear bud hole is for pleasant music in running. It is great for all forms of exercise including walking, running, hiking, riding bikes, working out at the gym and more.
WATER RESISTANT(sweat-proof and rain-proof): Keep your valuables dry while you are doing exercise (not fully waterproof), not exposure to a lot of water or rain for long time. 3M reflective stripes on the front pocket is special for triathlons, marathons.