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Osprey Packs
Levity 45L Backpack

4 out of 5 stars
1 Review

Out of Stock

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Levity 45L Backpack

Whether you're heading out for a single night under the stars or an ultralight thru-hike, the Osprey Levity 45 Backpack carries your gear with poise. NanoFly fabric is incredibly lightweight and also resistant to abrasions, so you don't have to worry about bumping a tree limb or rock squeezing through overgrown passages of trail. This pack has Lightwire suspension to give the load structure, keeping it balanced as you duck and scramble as the trail requires. The ExoForm harness and hipbelt pad the contact points for your comfort, while the tensioned mesh backpanel maximizes ventilation between you and the pack to manage moisture. Pockets and attachment points at the top, front, and sides of the pack ensure that you can get to your most-used items quickly so you can get back to crushing miles.


  • Backpack for ultralight treks
  • Lightwire suspension gives the pack structure
  • Tensioned mesh backpanel encourages airflow
  • ExoForm harness and waist belt for comfort
  • NanoFly fabric is lightweight and abrasion-resistant
  • Internal compression strap minimizes the shape
  • Zippered lid pocket for organization
  • Front pocket separates rain gear
  • Item #OSP00AW
[frame] 6065 aluminum, [face fabric] 30D Cordura Silnylon Ripstop, [accent, bottom] NanoFly 210D nylon
[small] 42L (2563cu in), [medium] 45L (2746cu in), [large] 48L (2929cu in)
Shoulder Straps
Waist Belt
Hydration Compatible
1 zippered lid, 2 side, 1 front
[small] 24.8 x 15.75 x 11.81in, [medium] 26.77 x 15.75 x 11.81in, [large] 28.74 x 15.75 x 11.81in
Claimed Weight
[small] 1lb 12.5oz, [medium] 1lb 13.6oz, [large] 1lb 14.7oz
Manufacturer Warranty

Overall Rating

4 based on 1 ratings

Review Summary

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4 Stars - 1 reviews
5 Stars - 0 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

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4 out of 5 stars

February 16, 2022

Comfortable pack - Not carry-on able

I've used it several times
Size Bought:
5' 9"

Have been looking for a lightweight pack to use on the Camino de Santiago in Spain this spring and wanted to drop some weight, my Dueter 65 is just to big and heavy. I did not realize this has a large metal frame internally and the size Large is not carryon-able, the frame is 29 inches. The size Small might be able to be a carry-on. Not going to send it back because I don't want to have to pay to return it. It is a really comfortable pack though. I'm happy with it other than I'll have to check it on for flights. So far I've done over 100 miles of training hikes weighted with 30lbs of gear. It carries the weight very well. I'll probably add a snack pouch to the belt because the side water bottle pouches are deep (which I like) and smaller items are a little tough to get out to without taking the bag off, same with the top of bag pouch. The side water bottle access is simply brilliant. Amazingly after 6 hours of hiking my back isn't completely drenched like with other packs. The ventilated suspension system is legit!

Scott K