This sleek run belt is lightweight, breathable, and fits all your essentials so you can go the distance. Designed for Running. XS/S: 56cm - 68cm (22" - 27"):S/M: 71cm - 81cm (28" - 32"):L/XL: 83cm - 109cm (33" - 43"). Zippered stretchy pocket keeps your phone close. Side drop-in pockets to stash your key, cards, and gels. Reflective details help keep you on the radar. Adjustable low-bounce waistband has a buckle closure to customize your fit. Lightweight, NuluxTM Fabric. Back strap: 100% Recycled polyester. Body: 84% Nylon, 16% Lycra elastane.