One of the vital frequent questions hikers ask is what dimension backpack do I would like for backpacking?
The reply is dependent upon your journey size, gear setup, climate, and climbing fashion. Backpack dimension is measured in liters, and most ultralight backpacking packs vary from 28 liters to 60 liters. The fitting dimension is much less about bringing increasingly about bringing what you really want.
Beneath is a breakdown of frequent backpack sizes and the way every Gossamer Gear pack suits into the image.
Photograph: Sean Greene
How Backpack Capability Works
Once you see a pack labeled 60L or 36L, that quantity represents the whole storage quantity together with the primary compartment and exterior pockets.
A bigger pack can maintain extra meals, layers, and bulkier gear. A smaller pack encourages a streamlined setup. The hot button is matching your gear quantity to your goal.
In case your gear is compact and intentional, you don’t want further area. In case you are carrying longer meals hauls, chilly climate insulation, or a bear canister, further capability issues.Chr
60 Liters: Lengthy Distance and Prolonged Journeys
Finest for:
- Via-hiking with the common package
- 7+ day journeys
- Winter situations
- Bear canister necessities
- Lengthy water carries
In case you are heading out for a multi-week journey or tackling your first thru-hike, 60 liters gives flexibility and margin.

Photograph: Grace Mumm
The Mariposa 60 is constructed for lengthy miles and heavier carries with out feeling overbuilt. Massive exterior pockets maintain layers and moist gear accessible, and the supportive body helps handle food-heavy sections. It’s a go-to alternative for hikers who need consolation and effectivity on prolonged journeys.
50 Liters: The Versatile Candy Spot

Finest for:
- 3 to 7-day journeys
- Shoulder season backpacking
- Average meals carries
- Consolation centered hikers
For a lot of backpackers, 50 liters is the perfect center floor. It provides sufficient room for a bear can and additional layers whereas staying streamlined.

Photograph: Sean Greene
The Gorilla 50 balances construction and weight. It carries comfortably when loaded and excels on weekend to week lengthy journeys. If you need room for necessities plus a number of consolation objects with out overpacking, 50 liters is commonly the fitting dimension.
42 Liters: Streamlined Multi-Day Journeys

Finest for:
- Streamlined thru-hiking kits
- 2 to 5-day journeys
- Skilled backpackers
- Summer time situations
- Low base weight setups
When your gear is dialed in, 40 to 42 liters is greater than sufficient for multi-day adventures.

Photograph: Jeff Podmayer
The G4-20 42L is a frameless, do-it-all pack designed for hikers who prioritize simplicity. Light-weight and cost-effective, it shines when your package is compact and intentional. In case your base weight is low, 42 liters offers you freedom with out extra.
38 Liters: Light-weight with Intention

Finest for:
- Overnights
- Quick backpacking journeys
- Minimal gear setups
- Quick and environment friendly missions

Photograph: Sean Greene
The Skala 38 bridges the hole between conventional backpacking and minimalist journey. It’s supreme for hikers who’ve trimmed down their gear however nonetheless need sufficient capability for a number of days outdoors. For summer season overnights or environment friendly weekends, 38 liters usually feels good.
36 Liters: Ultralight and Fastpacking Prepared

Finest for:
- Fastpacking
- Excessive mileage days
- 1 to 3-day journeys
- Ultralight backpacking
At 36 liters, effectivity issues.

The Kumo 36 is available in each Superlight and Fastpack configurations. The Superlight model is constructed for traditional ultralight backpacking with a easy, refined design. The Fastpack model options working vest-style straps and fast entry storage for hikers who transfer rapidly and canopy massive miles. In case your objective is to take much less and do extra, 36 liters delivers.
28 Liters: Minimalist Overnights and Large Days

Finest for:
- Ultralight overnights
- Summer time journeys with some insulation
- Prolonged day hikes
- Peak bagging
At 28 liters, every bit of substances should earn its place.

Photograph: Sean Greene
The Grit 28 is constructed for intentional packing and motion. It really works nicely for fast overnights, hut journeys, and lengthy day missions the place you want layers, meals, and security gear with out the majority of a standard backpacking pack.
The best way to Select the Proper Backpack Measurement
Begin together with your gear, not the pack. Lay every little thing out together with shelter, sleep system, clothes, cook dinner package, meals, and water.
Ask your self:
- What number of days of meals will I carry without delay?
- Do I would like a bear canister?
- Am I climbing in summer season or shoulder season?
- Is my base weight underneath 15 kilos or nearer to 25?
- Do I desire further consolation objects or a streamlined package?
In case you are new to backpacking and nonetheless refining your gear, a 50 to 60 liter pack just like the Mariposa 60 or Gorilla 50 provides flexibility. As your package turns into lighter and extra compact, you might discover {that a} G4-20 42L, Skala 38, or Kumo 36 suits your fashion higher.

Photograph: Sean Greene
Take Much less. Do Extra.
The fitting backpack dimension will not be about carrying as a lot as doable. It’s about carrying precisely what you want for the expertise you need.
Whether or not which means loading up a Mariposa 60 for a protracted path, dialing in a Gorilla 50 for every week within the mountains, or shifting quick with a Kumo 36 or Grit 28, the objective is identical. Environment friendly gear. Intentional packing. Extra time outdoors.

