A lot of factors come into play when choosing a sleeping bag.
- What’s the lowest temperature it needs to handle?
- What activities will it be used for?
- Is size a factor? Will it need to fit inside a backpack?
- Is weight a factor?
Temperature ratings
All decent sleeping bags have a temperature rating. Generally speaking, the rated temperature is the lowest temperature you could survive at, not the lowest temperature you’d be comfortable at. Also, some manufacturers are very optimistic about their ratings.
10 degree safety factor
Compressibility
Sleeping bags intended for backpacking can be compressed into a small stuff sack.
Weight
If your scout will be carrying their sleeping bag
Recommendations
Coleman 20