Hyperlite Mountain Gear Southwest 55 Pack

Color: White
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If you live to descend and emerge from rocky canyons and otherworldly formations with calloused hands and sunbaked river sediment, Hyperlite Mountain Gear Southwest 55 pack is a reliable companion.


  • Superlight, robust main compartment is made with 100% waterproof Dyneema® composite fabric; white colorway is made with 50-denier Dyneema for a slightly lower pack weight
  • Black colorway is constructed with 150-denier Dyneema, which is more tightly woven for increased durability with a marginal increase in pack weight
  • 55-liter (3,400 cu. in.) volume is ideal for weekend, section or thru-hikes where resupply points are less frequent, or for trips requiring flexibility
  • The top can roll down to make the overall size of the pack similar to the 40-liter version, but that additional pack space can come in handy when you need it
  • 3 external, solid Hardline with Dyneema pockets add an extra line of defense around the gear you'll want to quickly reach at any time without having to open your whole pack
  • Removable, contoured aluminum stays
  • Hardline with Dyneema shoulder straps with 0.375 in. closed cell foam and spacer mesh; 0.25 in. foam back panel pad
  • Roll-top closure system with side straps for vertical compression; side compression straps for horizontal compression
  • Top Y-strap compression is designed to secure gear
  • Hardline with Dyneema hipbelt with 0.125 in. closed-cell rigid foam; zippered pockets on hipbelt with #5 YKK zipper
  • Adjustable sternum strap with self-tensioning elastic
  • Hydro port and internal mesh hydro sleeve hold your hydration reservoir (not included)
  • 4 exterior triglide buckles for optional Hyperlite Mountain Gear Pack Accessory Straps (not included)
  • Proprietary seam sealing on all side seams and behind all sewn-on pack features help keep the elements out
  • Ice axe loop


View all Hyperlite Mountain Gear Backpacking Packs

Technical Specs

Best Use


Frame Type

Internal Frame



Gear Capacity (L)

55 liters

Gear Capacity (cu. in.)

3,400 cubic inches


2 lbs. 2.9 oz.

Fits Torso Length (in.)

S: 15 - 17 inches

M: 17 - 19 inches

L: 19 - 21 inches

Tall: 22+ inches

Fits Waist/Hips

S: 26.5 - 49 inches

M: 27.5 - 50 inches

L: 29.5 - 52 inches

Tall: 29.5 - 52 inches


Dyneema composite (Black colorway: 150-denier; white colorway: 50-denier)

Frame Material


Number of Stays


Reservoir Compatible


Pack Access


Number of Exterior Pockets


Hipbelt Pockets



34 x 10.5 in.; top circumference: 40 in.; bottom circumference: 33.5 in.



58 reviews with an average rating of 3.9 out of 5 stars

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