Control-Stretch waistband with wide Velcro closure means a secure and bounce-free fit. * Revenge holster design provides for single handed entry and exit * Removable pocket with zipper for gels, keys, cash or up to iPhone sized electronics * Breathable thermafoam backing wicks moisture away and keeps you cool * Four ergonomic, leakproof, dishwasher safe and BPA-free 7 oz bottles included