The quintessential bike hydration pack with the convenienceof external fill via the quick-release flap on the front of thepack. Holds the industry-leading 2L Antidoteu00ae reservoir. One smallzip pocket on front holds keys and other essentials.

Product Features:

• Antidote Reservoir Features: 1/4turn - easy open/close cap, lightweight fillport, dryer arms,center baffling and low-profile design, patented Big Biteu2122 Valve,HydroGuardu2122 technology, PureFlowu2122 tube, easy-to-clean wide-mouthopening
•  Key PackFeatures: External fill, essentials pocket,reflectivity Designed To Carry: Multi-tool, wallet,phone and keys