Gossamer Gear
Gossamer Gear Fast Kumo 36
A vest-style harness and a detachable Fastbelt carrying zip stretch-mesh pockets turn the 36 L Kumo into the Fast Kumo, a fastpacking take on the pack. It weighs 20.7 oz (S/M) or 21.5 oz (M/L) and costs $190.
Specifications
What do these specs mean? →Features
Pros
- ✓The vest harness puts bottles and snacks within reach while moving.
- ✓Zip stretch-mesh pockets on the detachable belt.
- ✓$190 is cheap for a fastpack this size.
- ✓Two overlapping torso sizes span 14 to 23 in.
Cons
- ✗Comfort tops out around 20 lb.
- ✗Robic is heavier than the laminate used on comparably priced HMG packs.
- ✗No frame.
- ✗Short warranty for US buyers only.
Compare the Gossamer Gear Fast Kumo 36
Related backpacks
More from Gossamer Gear →
Gossamer Gear
Gossamer Gear Kumo 36
The Kumo is Gossamer Gear's frameless 36 L, using the removable SitLight pad as both back structure and camp seat. At $180 it is one of the best-value frameless packs available.
Weight
1.25 lbs
Capacity
36 L
Frame
Frameless
Gossamer Gear
Gossamer Gear G4-20 42
Gossamer Gear's frameless classic is the G4-20: 42 L (30 L main), 24.8 oz in Medium, $205. A removable sit pad gives the back its structure, and the fixed hipbelt has pockets.
Weight
1.6 lbs
Capacity
42 L
Frame
Frameless
Gossamer Gear
Gossamer Gear Skala 38
Frameless and roll-top, the Skala 38 dates from March 2025: 38 L (30 L main) and 20.4 oz complete, made up of a 14.5 oz body, a 3.6 oz Fastbelt and a 2.3 oz pad. It is rated to 25 lb.
Weight
1.3 lbs
Capacity
38 L
Frame
Frameless
Gossamer Gear
Gossamer Gear Gorilla 50
The Gorilla 50 is the Mariposa's smaller, symmetric sibling — 50 liters, under 2 lbs, and the classic 'second pack' people buy once their kit shrinks. It keeps the sit-pad back panel and Robic durability in a cleaner silhouette.
Weight
1.99 lbs
Capacity
50 L
Frame
Internal Frame
Gossamer Gear
Gossamer Gear Mariposa 60
The Mariposa 60 is Gossamer Gear's signature pack, famous for its asymmetric pocket layout — one giant over-the-shoulder pocket that holds a tent, plus six more — and a removable back pad that doubles as a camp sit pad. It's the organized person's ultralight.
Weight
2.14 lbs
Capacity
60 L
Frame
Internal Frame
Gossamer Gear
Gossamer Gear Murmur 36
At 7.9 oz, or 10.7 oz with the included torso pad, the ALUULA Murmur 36 is one of the lightest 36 L packs made. It is frameless, rated to 20 lb, with a removable FastBelt.
Weight
0.5 lbs
Capacity
36 L
Frame
Frameless