Available in S / M and M / L. Select the size that matches your typical apparel size.
14 - 18"
Zealot + Syncro
16 - 19"
18 - 21"
Kid Carriers + Kids' Packs
Age / Weight
14 - 20"
12 - 16 years old
13 - 19"
10 - 14 years old
15 1/2 - 21 1/2"
Holds up to 48.5 lbs (child, gear and pack combined)
S / M
M / L
Standard Fixed Hipbelts
25 - 50"
24 - 45"
24 - 25"
26 - 45"
27 - 48"
28 - 50"
29 - 55"
Variant Interchangeable Hipbelts
27 - 31"
30 - 34"
33 - 37"
Xena + Ariel Interchangeable Hipbelts
27 - 31"
30 - 34"
Xenith + Aether Interchangeable Hipbelts
30 - 34"
33 - 37"
OSPREY MEASUREMENT GUIDE
Please note that the info provided above refers to the torso size each pack will fit, and NOT any dimensions of the pack. Below are some steps for how to get your torso length. You should probably have someone help take this measurement for you so it is accurate. And they might accidentally touch your butt.
HOW TO MEASURE TORSO LENGTH:
• Start at the iliac crest, which is the top of the hipbones on the side of your body. These act like a shelf for supporting a pack hipbelt.
• From this level on your spine, measure to the C7 vertebrae, the knobby bone at the base of your neck when you put your head down.
• Make sure you keep your back as straight as possible while measuring.
• This torso measurement determines what size Osprey pack you should carry. Refer to the size charts above to find your ideal size.
• If you are in between sizes, it is ideal to try them both on before ordering.
HOW TO MEASURE HIPBELT SIZE:
• Measure around your hips at your iliac crest, NOT your waist.
• A properly fitted hipbelt rides centered over the hipbones and needs to be very snug.
• The padded portion should wrap well around your hips, leaving a gap of 3 to 6 inches between the tips of the both hip pads when securely tightened.
• Refer to the Hipbelts size chart above to help determine your ideal Osprey pack size, but again, your torso length is what should determine your pack size, NOT the hipbelt.
Rated 5 out of
Fantasticbought this for the spartan ultra beast in sept because I needed something that could carry a decent amount of water but also have room for an MRE, minimal first aid stuff and gels but was still small enough that it wouldnt get too much in the way while doing the obstacles. It is comfy, I can run, hike, climb, and fit a ton of stuff in it. It sits up off my back and I get nice air flow, the rain cover is great (took it out in the rain less then 24 hours into ownership) and it can fit myself (5'3"ish and 120lbsish OR my husband 5'11", 175lbish). The water stays cool and it is easy to drink out of, no leaking or mess.
Date published: 2012-07-16
Rated 4 out of
Great Pack, Great Features.I purchased this bag to replace a Camelbak that I wasn't thrilled with.,,I easily fit 3 liters of water, my rain jacket, pump, spare tube, multi tool, tire levers, headlight, back light, energy bars, keys, cell phone, id, and sunglasses. And the best part: it never feels heavy! The magnetic bite valve attachment is a huge plus as you don't have to search for the tube while riding. I also love the harness / frame system for airflow.,,,,Only complaint: On Osprey's Zealot bags, they added zipped pockets to the waist belt and harness shoulder straps. My friend uses this bag, and while I really like my bag better, these small features make be a bit envious. Otherwise, a fabulous little riding pack!
Date published: 2012-06-28
Rated 3 out of
Wanted to love this, soooo bad!Pros: It looks great, fits better than most (M/L) of other competing brands, ventilation is amazing! (For reference: I'm 205 lbs at 6 ft.) Function and capacity is perfect. (2-3 hour MTB ride I packed: Full bladder, 1 tube, Mini-Pump, CO2 Pump and 3 cartridges, Multi-Tool, Small First-Aid kit, Snack bag of Wet Ones, handlebar Bike light and headlamp for emergencies, windbreaker, arm-warmers, and enough nutrition and a lunch.) :),,,,Major Con: When out on 3 hour MTB rides, with some technical terrain, the pack kept hitting me in the back of the neck. Neck chaffing? :( When ducking under branches or on technical descents, it would ride up on the back of my neck and catch on my helmet dial(this may/may not happen depending on your helmet). But honestly, it shouldn't happen at all. It moves way too much, even with hip/waist belt on, which I dislike...a lot!
Date published: 2014-12-10
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