Southwest 40 by Hyperlite Mountain Gear

Color: White
Size: X-Small (<15" Torso)
$ 349


Ships in 1-2 business days | Based in Biddeford, ME | Est. 2010

Hyperlite Mountain Gear's close quarters pack

*Formerly known as the "2400 Southwest"

The Southwest 40 keeps you honest about packing smart and efficiently on weekend or section hikes where the supplies you may need to replace along the way are never too far out of reach. 

When the route is thick with vegetation, requires the occasional up and over immovable objects, and calls for “suck in your gut and shimmy through” type moves, the Southwest is the backpack you want up-close and personal. This pack family is made specifically for tough adventures that would rip most other ultralight-style packs to shreds. 


  • Internal Frame + Padded Hip Belt
  • Three external, solid Hardline with Dyneema® pockets
  • Roll-Top closure system with side compression straps for vertical compression
  • Top Y-strap compression
  • Side compression straps for horizontal compression
  • Zippered hip belt pockets
  • Adjustable sternum strap with self-tensioning elastic and whistle
  • Internal 8" x 14” mesh sleeve for hydration bladder
  • Integrated 1/4” foam back panel pad
  • Two removable, contoured aluminum stays
  • Four exterior triglide buckles for optional pack accessory straps
  • Grab Loop & Ice Axe Loop



  • Volume: 40L (2400 cu. in.) main body
  • External: 9.8L
  • Dimensions: 30"H (fully unrolled) x 10.5"W
  • Circumference (Top | Bottom): 37.5” | 33.5” 
  • Frame: Integrated 1/4” foam back panel pad, 2 removable aluminum stays
  • Hipbelt: Integrated padded with pockets
  • Recommended Maximum Load Capacity: Up to 40lbs


  • Extra Small: <15" torso
  • Small: 15”-17” torso
  • Medium: 17”-19” torso
  • Large: 19”-21” torso
  • Tall: 21"+ torso

Weight: 30.8oz (White in size medium), 31.9oz (Black in size medium)


  • Body: DCH50
  • Bottom: DCH150
  • External Pockets: Dyneema® Hardline
  • Shoulder Straps & Hipbelt: Hardline with Dyneema®, Closed cell foam, Spacer mesh

Made in Mexico


Ideal for: Backpacking & Thru-hiking in dry, rocky environments

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