Step in to step out. This stretchy, streamlined belt slides over your hips and around your waist so you can keep run essentials close at hand. Designed for Running. Belt is intended to be worn at waist:Circumference measurements: XS/S: 66cm (25.9"):S/M: 71cm (27.9"):M/L: 78cm (30.7"):L/XL: 86cm (33.8"). A slit pocket fits most phones and internal silicone grippers help to secure phone while you run. Kangaroo pocket with snaps fits a 500ml hydration flask. Back zippered pocket with interior mesh pockets for your cards and keys. Removable shock cord straps help secure your hiking poles. Attach your bicycle light to the loop on the lower back. Reflective details. Hiking poles, phone, hydration flask, and bicycle light not included.