AUGUST Waterproof Exercise Runners Belt with Expandable Storage Pocket Running and Fitness Belt COMFORTABLE AND BOUNCE-FREE RUNNERS BELT; fits snugly enough to always stay comfortably in place. The elastic belt can also be found in the expandable pockets to double strengthen the belt for a bounce free and comfortable fit . COMPACT, LIGHTWEIGHT DESIGN; the runners belt design, with 1.6" wide elastic belt and expandable pocket, is minimalistic for increased comfort during exercises. WATERPROOF EXERCISE BELT; The water proof fabric covers all over the running belt , even the elastic belt .This will strengthen the elastic belt to prevent chaffing and guarantee a much longer using time. In addition, the running belt has a waterproof zip for extra all-weather protection and safety for your valuables and essentials. Also is water resistant so your phone doesn't get moisture from your sweat when running or cycling. AMPLE STORAGE; easily carry your iPhone 6, Samsung Galaxy or other large Smartphone; plus other essentials like keys, supplements, bank cards, energy bars and inhaler. Large enough 2 pockets to carry your essentials with you FULLY ADJUSTABLE WAIST PACK; features an elastic belt that's fitted with an adjusting buckle. The waist pack expandable storage belt is a one-size-fits-all for any waist size 28" through 40". It is great for all forms of exercise including walking, running, hiking, riding bikes, working out at the gym and more.