A low-profile hydration system, the Rider pack from Source Tactical is specially designed for integration with MOLLE/PALS-based ballistic vests, and it can be worn backpack style or quickly converted for direct armor attachment or ruck insertion. It comes with the low-profile WLPS hydration reservoir with a 3-liter capacity, drinking tube with Cool Weave cover, and Storm valve for straw-like drinking. The Rider features tuck-away contoured shoulder straps, which are designed to fold into a back storage pocket when not in use. It attaches to vests using the integrated X-QCA buckle system, which attaches diagonally and won't loosen as water is consumed and the bladder volume changes. The Razor also features an adjustable sternum strap, zippered wide opening for easy access to the insulated reservoir area, condensation drain port, dual tube routing over the shoulder or below the arm, and an external zippered pocket for carrying small essentials. The pack comes the low-profile, 3-liter WLPS hydration reservoir (BPA and phthalate free). Source's Glass-Like Film is smoother than standard TPU films with virtually no difference from glass itself, preventing bio-film build up and making the system virtually self-cleaning. Source has been a ground breaker in hydration system technology and is also well known for its tactical gear and hiking sandals. Tested in the most extreme conditions, hundreds of thousands of Source hydration systems are in use in the field.