The FuelBelt Revenge R20 is a breakthrough in hydration belt design and function. One handed entry and exit has never been easier with the unique and cleverly designed molded holsters. With just one hand, bottles go in fast and come out faster. Plastic Molded Holster provides quick one handed entry and exit Breathable thermafoam is lightweight padding that wicks moisture away and keeps you cool when things heat up. Removable race pocket large zippered pocket for your gels, bars etc... 7 oz bottles are ergonomic, leak proof, dishwasher safe and BPA Free Adjustable waist band for custom fit. Reflective elements allow for visibility in low lighting.