More than just a reservoir, the MIL spec antidote reservoir redefines the ultimate delivery system for an Operator's water supply and provides maximum adaptability for changing missions or combat environments. Includes our quick link exit Port and ql hydrolock Bite valve adapter: tube clicks off for faster refilling with auto shut-off; new fill Port: industry's largest opening with air-light 1/4 turn open/close for quick, secure seal that can't be over-tightened; lighter-weight, lower-profile design. Side-release buckles for quick release from shoulder harness, zippered back panel access makes loading a full reservoir easy, air DIRECTOR back panel provides superior ventilation, glasses, goggles and nvg pocket with external access, lower drink tube exit ports for routing drink tube under arm, MOLLE attachment system integrated to bottom of boot, lightweight, durable 500D corduroy fabric.