The Headwall 55 backpack from Hyperlite Mountain Gear is a premier ultralight backcountry ski and splitboard snowboard mountaineering pack designed to be ideal for adventure trips of up to 5 days  This pack can also be used for day touring when compressed down. The main bag fabric is a lightweight Dyneema® composite that is virtually waterproof in most conditions with it's roll-top closure style design and seam-taped seams.  The bottom section and high abrasion points of the pack use a more durable Fully Woven Dyneema® fabric.  An external avalanche tools pocket allows for organization of and quick access to critical safety gear. Includes six dual-adjustable side compression straps for attaching skis or a split snowboard in A-frame carry style.

Details

• Dyneema® Composite DCH150 Main Fabric
• Fully Woven Dyneema® Fabric in Pack Bottom and High Abrasion Points
  
• Seam-Taping on All Vertical Side Seams and Behind All Sewn-On Pack Features
• Roll-Top Closure
  
• Top Y-Strap Compression Strap
• 6 Side Compression Straps for Attaching Ski or Splitboard in A-Frame Carry Mode
  
• Hardline with Dyneema^® Dual Density Removable Hip Belt with 1/8” Closed Cell Rigid Foam, 1/4" Closed Cell Foam, and Spacer Mesh
  
• Hardline with Dyneema^® Shoulder Straps with 3/8” Closed Cell Foam and Spacer Mesh
• Daisy Chains on Shoulder Straps
• Daisy Chains of Sides and Front Center of Pack Bag
• Two Removable Contoured Aluminum Stays
• Integrated 1/4” Foam Back Panel Pad
  
• External Front Center 21" x 22" Avalanche Tools Pocket using Dyneema® Stretch Mesh and with Shovel Handle and Probe Sleeves
  
• 2 Zippered Pockets on Removable Hipbelt with Hardline with Dyneema^® Fabric and #5 YKK Zippers
• Internal 8" x 8" Zippered Pocket
• Adjustable Sternum Strap with Self-Tensioning Elastic and Whistle
  
• Dual Ice Axe loops
• Grab Loop
• Highly Water Resistant
• 4 Different Sizes to Fit Different Back Lengths

Weight for Size Medium: 2.6 lbs | 1180 g

Load Capacity: Up to 40 lbs | 18.1 kg

Volume:

• Internal Pack Volume -  3400 cu. in. (55L)
  
• External Pocket Volume - 433 cu. in. (7L)

Dimensions:

• Back Width - 10.5 in (26.7 cm)
  
• Height Fully Unrolled - 34 in (86.4 cm)
• Top Circumference - 40 in (101.6 cm)
• Bottom Circumference - 33.5 in (85.1 cm)