The Antidote® 3L Lumbar Reservoir is designed to place water weight low on your hips, thereby taking the load off your shoulders and upper back. The result? Freedom to move. By placing it lower, the water is more stable and doesn't throw off your balance as you race down the trail. Experience the difference. We think you'll be amazed.

Shop Lumbar Packs & Reservoirs
  • Durable Low-Profile Design

    A welded center baffle gives the Antidote a low profile for better packability and maximum stability on the trail. All Antidote reservoirs are made from safe and reliable, 3-layer polyurethane with HydroGuard™ Technology.

  • Easy open 1/4 turn cap

    Our air-light fill port has the largest opening on the market - making it quick and easy to fill and clean the reservoir. Opening and closing the cap is now more simple and secure than ever, with our intuitive 1/4 turn cap.

  • Antidote Quick Link System

    Quick Link™ System

    Customize your hydration experience with Quick Link™ compatible accessories. Improve taste with an in-line filter or connect a reservoir flow meter so you can track consumption. Tube disconnect and auto shut-off make it easy and convenient to route your tube without hassle. (Quick Link components sold separately.)

  • Big Bite Valve and Pureflow

    Patented Big Bite™ Valve

    Our patented Big Bite™ Valve self-seals after each drink to eliminate annoying drips. This brilliant design delivers a high flow rate with no moving parts to break or get gummed-up; simply bite and sip. The PureFlow™ drink tube is kink resistant, unlike other reservoirs on the market whose kinks can permanently affect flow in the tube.

  • Integrated Dryer Arms

    Lightweight, integrated dryer arms make drying your reservoir a simple and thorough experience. Dryer arms fold out from behind the fill port and tuck away cleanly when not in use.

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Every CamelBak® Pack is built from the inside out, which means we always start with water. The Antidote® Reservoir carries the water you need for the adventures you take. Our designers examine every detail to build the most reliable and trusted reservoir on the market. And with our industry-leading Got Your Bak® Lifetime Guarantee, you can be sure your CamelBak reservoir will continue to perform for the long-haul.

meet the whole family ofAntidote Reservoirs

We've got the Ultimate Cure for Dehydration. From our new lumbar systems to our industry-leading 3 liter Antidote reservoirs, you'll find the perfect solution for carrying water during your next adventure.