Gossamer G4-20 Ultralight 42 Backpack

The G4-20 Ultralight 42 Backpack by Gossamer is an ultralight, frameless backpack for minimalist hikers. Its volume consists of a 30-liter main compartment with a roll-top closure, as well as pockets and mesh adding 12 liters:

• 1 zippered pocket at the top


• 2 side pockets


• 2 zippered pockets on the waist belt


• 1 expandable mesh pocket on the front


• Elastic cords allow you to compress and secure your gear. There is also a pole holder, ice axe holder, and water bladder holder.

The back has a mesh pocket with a 95-gram SitLight foam insert. Flexible, breathable, and removable, it provides cushioning between your back and the gear in your backpack. Easy to remove and replace, it can also be used as a seat cushion or pillow. Made from closed-cell foam, it does not absorb water.

Optional (sold separately):

• Shoulder Strap Pocket: Pocket to attach to the shoulder strap


• Air Flow SitLight: Ventilated back padding for added comfort


• Lightrek Pack Bungee Attachment: Cords for easy attachment of poles