I’ve been using a Gregory Reactor hydration pack for a couple years now. The Reactor has served me well with a comfortable fit, light weight and lots of different pockets to organize my gear. At 11L it’s not overly big, but holds a surprising amount if you use the external mesh pockets effectively. I haven’t had any wear issues with the sil-nylon fabric the pack is made out of, but this material does need to be treated with more care than some of the heavier pack fabrics being used in the industry….that seems a fair trade off for a lighter pack.
These packs are on sale at MEC at the moment for $49CDN [no hydration bladder incl.]:
This hydration pack has a stripped-down, minimalist design that is light and fast – excellent for adventure races and other endurance events.
- Silicone-impregnated 30-denier nylon, with 210-denier high-tenacity nylon reinforcements.
- Front panel pocket.
- Front mesh compression pocket.
- Hydration pack ready (hydration pack not included).
- Dual hydration ports.
- V-pull compression straps.
- Gullwing waistbelt with mesh pockets for food bars, gel-packs, etc.
- Yoke-style harness with breathable Aeroteck-lined back panel.
- Ergometric canted bottom.
- Reflective taping.
- Capacity is 11L.”
With the relentless march of innovation it seems the Reactor is not on the Gregory website any longer…however the Wasatch pack [shown below] is a current model with many of the same features as the Reactor.