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G4-20 Ultralight 42 Backpack

G4-20 Ultralight 42 Backpack

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G4-20 Ultralight 42 Backpack
  • Recycled Robic Nylon

    As part of Gossamer Gear's commitment to reducing our environmental impact, we are transitioning to PFAS-free recycled fabrics across all of our packs.

  • Refined Hardware

    Each buckle, zipper, and cord has been scrutinized for lightweight function. Get ready to meet a simple, cost-effective pack designed to lighten your load.

  • New Colorways

    Our fan favorite Tropical Mist colorway is now available for the G4-20! We're stoked to bring you more vibrant option for showing your style on trail.

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Product Details

Gear Notes

We took what made the original “G4” so popular and roped in a gang of new fabrics and materials to create a frameless, do-it-all companion for thru-hikers and weekend warriors.

 The G4-20 is made for ease on trail. Each buckle, zipper, and cord has been scrutinized for lightweight function. Get ready to meet a simple, cost-effective pack designed to lighten your load.

Features

  • 42L capacity
  • Extendable roll-top with dual-closure options
  • Removable, molded, cushy sitpad
  • Fixed hipbelt with unique pocket design
  • 1.5” hipbelt webbing for max comfort
  • Tough recycled Robic fabric

Specs

Small (Average)

Pack Body 19.8 oz / 561 g

Sitlight Pad 2.3 oz / 65 g

Total 22.1 oz / 627 g

Length 19.5” (to extension collar seam)

Width 11.4”

Depth 4.7”

Medium (Average)

Pack Body 21.5 oz / 610 g

Sitlight Pad 3.3 oz / 94 g

Total 24.8 oz / 703 g

Length 23.6” (to extension collar seam)

Width 11.4”

Depth 4.7”

Large (Average)

Pack Body 22.2 oz / 629 g

Sitlight Pad 3.6 oz / 102 g

Total 25.8 oz / 731 g

Length 25.6” (to extension collar seam)

Width 11.4”

Depth 4.7”

Capacity (Medium)

Total 42 L

Main Pack Body to Bottom of Extension Collar 30 L

Mesh and Side Pockets 12 L

Max Carry Capacity 30 lbs

For Comfort 25 lbs

Materials

70D & 100D Recycled Robic Nylon

PFAS-free

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