Most backpackers organize their gear by category: shelter, sleep, cook, etc. That's great for shopping, but terrible for packing.
When you're on trail, you don't think "where's my shelter category?" You think "where did I put my tent stakes?" The answer depends on which compartment they're in.
The Compartment System
Here's how to think about your pack as a system of compartments:
Main Compartment (Bottom Section)
- Sleeping bag / quilt
- Sleep clothes
- Items you won't need until camp
Main Compartment (Top Section)
- Shelter
- Food bag
- Cook kit
- Items for camp setup
Brain Lid / Top Pocket
- Snacks
- Headlamp
- First aid basics
- Permits / map
- Items you need without removing pack
Hip Belt Pockets
- Phone
- Snacks
- Lip balm / sunscreen
- Camera
- Items you need constantly
Shoulder Strap Pockets
- Water bottle / filter
- Snacks
- Sunglasses
- Items for easy access while walking
External / Strapped
- Trekking poles
- Wet tent / tarp
- Bear canister
- Items that don't fit inside or are wet
Worn Items
- Clothing layers
- Watch
- Sunglasses
- Hat
Why This Works Better
1. Faster Access
When everything has a place, you're not digging. Need sunscreen? Hip belt. Need headlamp? Brain lid. No searching.
2. Better Weight Distribution
Heavy items near your back, lighter items farther out. Compartment thinking forces good weight placement.
3. Easier Packing
If you know each compartment's contents, packing becomes assembly, not problem-solving.
4. Nothing Gets Forgotten
When you pack by category, items get missed. When you pack by compartment, empty space is obvious.
How to Build a Compartment-Based List
MyPacks was built for compartment organization. Here's how to set it up:
- Add your gear to your library
- Create a new packing list
- Assign each item to its compartment
- See your pack organized visually
The result is a list that mirrors your actual pack. When you're packing, you work through each compartment. When you're on trail, you know exactly where everything is.
Example Compartment List
Here's a sample three-season setup organized by compartment:
Main Compartment:
- Sleeping quilt (20°F, 22 oz)
- Sleeping pad (13 oz)
- Sleep clothes (8 oz)
- Shelter (tarp + bivy, 18 oz)
- Food bag (varies)
- Cook kit (6 oz)
Brain Lid:
- First aid kit (3 oz)
- Headlamp (2 oz)
- Snacks (4 oz)
- Map + permits (1 oz)
- Repair kit (2 oz)
Hip Belt Pockets:
- Phone (8 oz)
- Lip balm + sunscreen (2 oz)
- Snacks (3 oz)
- Camera (4 oz)
Shoulder Strap:
- Water bottle (4 oz + water)
- Water filter (2 oz)
External:
- Trekking poles (10 oz)
Worn:
- Sun hoodie (6 oz)
- Shorts (5 oz)
- Trail runners (20 oz)
- Hat (2 oz)
- Socks (2 oz)
Total listed: ~9.5 lbs base weight (not counting food/water)
Making the Switch
If you've been organizing by category, switching takes one evening:
- List out your current gear
- For each item, ask "where does this live in my pack?"
- Rebuild your list by compartment
- Refine over your next few trips
Within a few trips, compartment thinking becomes automatic. You'll pack faster, find things instantly, and wonder why you ever did it differently.