Gregory Endo 10 H2O Hydration Pack
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Built with Shift RS suspension, the Gregory Endo 10 H2O hydration pack stays in the perfect riding position, while a tool pouch and internal organization keep your gear accessible and secure.
Shop similar products- Includes a soft-molded, 3-liter Gregory 3D Hydro Reservoir with QuickDry hanger and Speed Clip attachment
- Shift RS stability belt is vertically adjustable to keep the pack in the perfect riding position
- Mesh Matrix back panel is ventilated and moisture-wicking for breathability
- Sunglass QuickStow system on shoulder harness provides quick, secure and scratch-free access to your shades
- Zippered front pocket offers biking-specific organization and a key clip
- Includes a removable tool pouch that stows in a dedicated mesh sleeve pocket to reduce bounce (tools not included)
- Internal CrashPad pocket with soft-touch liner and foam helps to protect valuable items
- Custom comfort-grip molded zipper pulls and molded webbing keepers for strap management
- Front light loop for night riding (light not included)
Imported.
View all Gregory Cycling Hydration BackpacksBest Use | Mountain Biking |
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Frame Type | Internal Frame |
Gear Capacity (L) | 10 liters |
Gear Capacity (cu. in.) | 610 cubic inches |
Reservoir Compatible | Yes |
Reservoir Included | Yes |
Bottle(s) Included | None |
Liquid Capacity (L) | 3 liters |
Liquid Capacity (fl. oz.) | 101 fluid ounces |
Weight | 2 lbs. 7 oz. |
Fits Torso Length (in.) | 16-21 inches |
Fits Waist/Hips | 28-48 inches |
Material(s) | Nylon |
BPA Free | Yes |
Frame Material | Alloy steel |
Pack Access | Panel |
Number of Exterior Pockets | 5 + main compartment |
Hipbelt | Yes |
Hipbelt Pockets | Yes |
Bite Valve Shut-off Switch | Yes |
Dimensions | 19 x 9 x 7 inches |
Gender | Unisex |
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Awesome hydro pack
This hydration pack is focused toward mountain biking, but is great for all kinds of activities. I love all the organization pockets. The bladder itself is very easy to remove and fill. Heads up: if you are using a compass while wearing this, the magnets in the chest strap & drinking tube will throw your needle off!! This isn’t exactly a “day pack” to hold all your essentials for an all-day hiking adventure. Just enough room to carry snacks, a layer or light jacket, and a few knick-knacks or pocket tools for your bike. Just what you need for short excursions and local bike rides. I’ve even used the compression straps to carry my snowshoes on a couple occasions.

Great Pack -- Mouthpiece not as Good as Camelbak
The pack has worked great for short local hikes (Mid-Atlantic). Carries just enough for a family of 4 when you don't need any emergency layers. This new style of back panel is a must. I have used Camelbak bladders for years in all types of environments. I like the fact that this bladder stays open to dry out. However, the water flow through the mouthpiece is not even close to what you get with a Camelbak (even the older ones). If you have never had a Camelbak bladder, this will be fine for you. If you have been spoiled!, you might want to order this pack without a bladder and insert your existing Camelbak one.

Great pack if you want a small, compact pack for water, a snack, and a very limited amount of stuff
This is my go to bag that I use this for day hikes and cross country skiing. It holds my water, ultra-light rain jacket, snacks, Anker Powercore battery to charge my phone, headlamp, and a Glock 43. It really doesn't fit much more than that but it sticks to your body very well and great design.

Endo 10 Pack
Love everything about the Endo 10. The organization pockets, comfortable fit, hydration system, and light weight make this a winner. I considered the 15 but this is just the right size for me.
Endo 10
Love this pack. I have a similar pack that I have had for years and love the fit, the hydration pack, and compartments. I’ve had many other hydration packs and this one is the best
Great day hiking pack
I use this pack on weekend hikes and it hold all my gear comfortably. The durability comfort are amazing. The magnetic fastener on the hydration system is a breeze to use.

Tested the pack out over the weekend, plenty of space for gear/tools/snacks etc. At 6’2 250lbs 3L of water was just enough for a 12hr strenuous hike.

Great backpack
Have used for mountain biking and hiking. Well placed pockets, straps, etc. make it a great and easy to use bag for all activities.

Great pack
[This review was collected as part of a promotion.] Great hydration pack. Well thought out with tons of features that are highly functional. Well made, can't say enough good things
Endo 10
Great pack for cycling. My only regret is I prob. should have waited for the Endo 15, but this pack this has enough space.