Osprey  Zealot 15 Hydration Pack - 3 Liters

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The versatile and sturdy Osprey Zealot 15 Hydration Pack has a slim profile, can carry a full-face helmet and body armor, and has a detachable tool roll, making it great for all-mountain riding.

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Features

  • Hydration system features a 3-liter (100 fl. oz.) reservoir that conforms to your back's shape even when full, resulting in a precise, stable and comfortable fit
  • Rigid spine / handle stabilizes the reservoir, making it easy to slide it into its dedicated compartment; large mouth makes filling and cleaning easy
  • Back panel features ridge-molded foam with channels covered in mesh to allow airflow
  • Contoured shoulder straps have breathable mesh and perforated foam; stretch-mesh pocket and zip media pocket keep items close
  • Webbing waistbelt helps stabilize pack during demanding descents
  • Zipper around back panel lets you access the main compartment without removing gear from the front
  • Quickly attach a helmet with the adjustable LidLockâ„¢ helmet clip
  • Padded front compression pocket secures a full-face helmet; body armor fits in the side mesh pockets or behind compression pocket
  • Top zippered pocket is lined with a soft fabric that helps keep sunglasses, goggles or other fragile items from getting scratched
  • Pack includes a removable tool roll, which has its own zip pocket at bottom of pack
  • Compression straps let you cinch down loads for jostle-free carrying
  • Reflective hits increase visibility in low light

Imported.

View all Osprey Cycling Hydration Backpacks

Technical Specs

Best Use

Mountain Biking

Frame Type

Internal Frame

Reservoir Compatible

Yes

Liquid Capacity (L)

3 liters

Liquid Capacity (fl. oz.)

100

Adjustable Torso Length

Yes

Fits Torso Length (in.)

15 - 21 inches

Fits Waist/Hips

38 - 53 inches

Material(s)

330-denier nylon/420-denier nylon

BPA Free

Yes

Pack Access

Panel

Number of Exterior Pockets

5

Bite Valve Shut-off Switch

Yes

Dimensions

13 x 9 x 9 inches

Gender

Unisex

Wide-Mouth Opening

Yes

Reviews
6 reviews with an average rating of 5.0 out of 5 stars

Ratings Snapshot

Product Rating

6 out of 6 (100%) reviewers recommend this product

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Time Wolf
Portsmouth, VA
Rated 5.0 out of 5 stars

Excellent pack!!!

8 years ago

This pack is great in my profession. I am an Archaeologist and I work in what is called Cultural Resource Management, we conduct archaeological surveys prior to construction of anything that may impact the environment and any documented or undocumented archaeological sites. My job requires a lot of back country hiking that this pack allows me to succeed at. The size is perfect for hiking through tight vegetation, the weight is light and the build is comfortable. So comfortable I forget it is on! And the ease of access allows me to retrieve my equipment with speed, and it is easy to manage as I am definitely a minimalist when it comes to such. Well done and thanks Osprey!

Yes , I recommend this product
Originally posted on ospreypacks.com
General Havok
Southern Colorado
Rated 5.0 out of 5 stars

This is the almighty pack of packs for an an enduro rider

7 years ago

I use this pack for everthing bike. Comuting, short rides long rides backcountry, and racing. It has never failed. It holds a full out fit for buisness casuale dress codes plus lunch. On race day or long rides with crazy descents it can cary everything needed. For The tool kit is secure, holds everything wanted or needed and sits low so not to affect balance much at all. It can hold 3 liters so the epic summer rides (like my attempt to ride up the Pikes Peak Barr trail) are feasable. Along with the many small stretchy pockets for snacks. All that is cool but common on mtb packs. What REALLY stamds out for me is that I can carry my rigid leg and arm armor plus a full face helmet on my back (wich allows for full speeds after all the climbing and way more comfortable climbs). I hit the ground at 20+ mph broken wrist but pack was fine. Another truly impressive feature of all Osprey packs is the almighty guaranty wich covered every piece of damage from my dog ate it to stupid clipping to plain worn out (all true stories but it didn't matter). I am a hard rider and my equipment feels it. I dabble in enduro racing and love to just ride hard and often and I need gear that keeps up, this pack makes the cut. After 1 year of ownership I can say for sure. This zealot will not give up his Zealot for anything!

Yes , I recommend this product
Originally posted on ospreypacks.com
Walter
Tulsa, OK, United States
Rated 5.0 out of 5 stars

Great Pack for Biking and Hiking

8 years ago

I really like this pack. Had it about a month and have used it for Kayaking, Commuter Biking and for just day hikes. It is fairly unique bag. The main compartment can only be fully opened once you've unclipped the shoulder straps from the back. After that you can fully unzip the main compartment down to the base. A little weird but does let you pack stuff down to the bottom. Here is my only complaint so far... there is no clip or some other way to neatly hold the hydration tube to the shoulder strap instead of the chest strap. I've found it to be a little awkward when taking off or putting on and the hydration tube kinda flaps around. I solved this by clipping a carabiner to the shoulder strap and clipping the tube into this. Otherwise a great pack!

Yes , I recommend this product
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Tanner
Utah
Rated 5.0 out of 5 stars

Great Product

9 years ago

I used to have a camelbak for biking, but found it was too small. The Zealot has an opening on the back that can be used for a Full-Face Helmet or other things, side pockets, a stash pouch on the top for valuables, and a tool pouch on the bottom that is super convenient (comes with tool roll) the pocket for the reservoir goes the whole length of the bag so that when you open it, the whole back of the bag folds down. You can fit a bladder, jacket/layers, first aid kit and lunch in this pocket as well. There are also hip pouches that are good for a multi tool or leatherman, and two chest pockets on the straps that don't fit much. As always, you have amazing Osprey fit and finish, and it seems that the fabric is durable enough to take a spill on (though I have not tested that yet).

Yes , I recommend this product
Originally posted on ospreypacks.com
Andrea
Bethesda MD
Rated 5.0 out of 5 stars

Great for many uses

6 years ago

I was hesitant to buy this bag because I was worried it would be too small for anything other than day rides, but I've found it to be perfect as an all around backpack for life. I am a teacher that bike commutes, and this can comfortably hold everything I need it to. The many straps allow you to clip/stuff/attach various items, and the stash pockets on the top and on the hip belt are incredibly handy. It feels incredibly sturdy and had held up to rides, hikes, field trips, and day to day use

Yes , I recommend this product
Helpful?
bagman20
Rated 5.0 out of 5 stars

Old in 2024, but gold

1 year ago

Excellent multipurpose bag. I use this as a commuter, hiking bag, and light travel bag all the time, it has just enough pockets for organization and the almost completely unique ability among bags I've encountered to hold odd-shaped, large, and long items in the three exterior pockets on the back. Often I have a water bottle on one side, my lunch and a book in the center pocket, and a small umbrella on the other side. You can REALLY exceed the 15l capacity of the bag if you're clever about what you shove into the exterior pockets. And the waist strap helps with some back issues I have to make this my preferred backpack for hikes and traveling. My only nitpick is that the main compartment is kind of awkward to access due to the location of the lifter straps, which clip onto the bag from the tops of the shoulder straps over top of the zipper. But I can load my laptop in and out of the bag from the side really easily if I leave the main compartment a little bit unzipped, and thanks to the strap attachments cinching the top together I don't have issues with stuff falling out of that compartment!

Yes , I recommend this product
Helpful?

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