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Hyperlite Mountain Gear
Southwest 40L Backpack

5 out of 5 stars
3 Reviews

Out of Stock

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Why We Like The Hyperlight Mountain Gear 2400 Southwest 40L Backpack

We hike down dry river beds, bushwhack through scrub, and explore slot canyons with Hyperlite Mountain Gear's 2400 Southwest 40L Backpack storing everything we need for a minimalist overnighter. Despite its ultralight weight, the Southwest is surprisingly comfortable and durable enough for long hikes. Its Dyneema Hardline suspension system includes spacer mesh foam at the shoulder straps and waist belt, and there are supportive aluminum stays that we remove for even less weight.


  • Ultralight backpack that brings along everything for overnighters
  • Dyneema Hardline suspension system adds stable support
  • Removable aluminum stays help customize the load
  • Padded, spacer mesh shoulder straps and waist belt carry in comfort
  • Roll-top closure ensures gear stays dry
  • Fully taped seams further prevent moisture from seeping in
  • Hydration-compatible sleeve and port lets you bring along water
  • Top and side compression straps cinch down to stabilize the load
  • Item #HMG0002
40L (2441cu in)
Dyneema Hardline, removable aluminum stays
Shoulder Straps
sewn-in spacer mesh, 3/8-inch foam
Waist Belt
yes, 1/8-inch foam, 3/8-inch foam, spacer mesh
Hydration Compatible
yes, internal sleeve, port
3 exterior, 2 zippered waist belt
Ice Axe Carry
yes, top and sides
10.5 x 30in
Claimed Weight
[white] 1lb 12oz, [black] 1lb 14oz
Manufacturer Warranty
1 year

Overall Rating

5 based on 3 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 3 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

May 30, 2023

My Favorite Piece of Gear

I've put it through the wringer
Size Bought:
6' 1"

I use this pack for everything. It is the most comfortable and versatile pack I have ever had. Planning to have this forever!

Liam B
5 out of 5 stars

September 5, 2022

Great light pack.

I've used it several times
5' 10"

I have used this several time. I initially bought it as a day pack but it had turned into my multi day pack. It’s comfortable and I am able to fit everything I need for a multi day hike.

Steve C
5 out of 5 stars

February 16, 2022

Love this pack

I've used it once or twice and have initial impressions
Size Bought:
5' 10"

Bought this as my first pack. Really like the weight, material durability, design and simplicity. Took it on a 25 mile/2-day trip and really got to learn how to adjust it to be comfortable for my self. Despite its simplicity there are a surprising amount of ways to get the weight adjusted and fit to your body and liking. Unfortunately Hyperlite doesn?t really seem to have any in-depth instruction on guidance on how to do this beyond their basic sizing instruction. But it wasn?t hard to figure out either while on the trail. Perhaps the best place to test and adjust anyway.