Hyperlite Mountain Gear stripped down, dialed in and beefed up their 4400 Porter Pack for passionate packrafters, mountaineers and multi-discipline adventurers. Though similar to HMG's smaller versions, this ultralight pack has a wider circumference, is made from burlier material and has additional elastic frame sheets that offer greater load carrying capacity. Features

• Made in Maine, USA
• Four external, vertical daisy chains for attaching extra gear for trip-specific customization
• Removable, contoured aluminum stays
• Dyneema Hardline shoulder straps with 3/8" closed cell foam and spacer mesh
• nternal plastic frame sheet for added back panel support
• 1/4" foam back panel pad
• Compression System: Roll-Top closure system with side compression straps for vertical compression; six side compression straps for horizontal compression; top Y-strap compression -- Designed to secure gear
• Internal zippered pocket
• Dyneema Hardline dual-density hip belt with 1/8" closed cell rigid foam, 1/4" closed cell foam and spacer mesh
• Dyneema Hardline zippered pockets on hip belt with #5 YKK zipper
• Adjustable sternum strap with self-tensioning elastic
• Ability to stow two ice axes on daisy chains
• Proprietary seam sealing on all side seams and behind all sewn-on pack features
• Weight: 2.35 lbs | 37.6 oz | 1065g
• Load capacity: 30 - 65 lbs
• Materials: Body: 150D DyneemaÂ/Poly hybrid; bottom: Double reinforced 150D DyneemaÂ/Poly hybrid
• Volume: Interior: 4400 cu. in. (70L)
• Dimensions: Top Circumference: 45" (114.3cm); bottom Circumference: 37.5" (95.3); Height (fully unrolled): 38.5" (97.8cm); Back Width: 10.5" (26.7cm)