Fully adjustable elastic stretch waistband for a customized, comfortable no-bounce fit and Velcro closure * Revenge holster design provides for single handed entry and exit * Spacious interior zipper pocket and external stretch-mesh zipper pocket, plus an elastic bungee cord to store your outerwear securely. * Ventilated Air Flow padding system wicks moisture away and keeps you cool * Two ergonomic, leakproof, dishwasher safe and BPA-free 10 oz bottles included