Prioritize low weight and high compressibility. These technical bags use lightweight materials to fit easily into a pack. 2. Decode Temperature Ratings
Experts at REI suggest adding a 10–15°F buffer to the coldest temperature you expect to ensure you stay warm. 3. Choose the Insulation Material Sleeping Bag Temperature Ratings Guide | REI Expert Advice which sleeping bag should i buy
How you plan to transport your gear significantly influences your choice: Prioritize low weight and high compressibility
A survival-only rating indicating the minimum temperature to avoid hypothermia; it is not for planned use. Decode Temperature Ratings Experts at REI suggest adding
Standardized ISO/EN ratings provide a benchmark for warmth, but they are guidelines rather than guarantees:
The temperature at which a "cold sleeper" (typically the average woman) will feel comfortable.
Prioritize comfort and space over weight. These bags are often heavier, bulkier, and more affordable.