FuelBelt R2O Revenge Hydration Belt Fully adjustable elastic stretch waistband for a customized, comfortable no-bounce fit New holster design provides for single handed entry and exit Removable race pocket with zipper for gels, keys or cash Breathable thermafoam backing wicks moisture away and keeps you cool Two ergonomic, leakproof, dishwasher safe and BPA-free 7 oz bottles included