Leading brands focus on closed-cell vs. open-cell foam ratios. A high-end series will feature "taco" or "hinge" folds, weather-resistant 1000D nylon, and backpack straps designed for long approaches into the backcountry.
: A "cold bed" is reserved for one person, while a "hot bed" is shared among multiple crew members on different schedules. 3. Sensory Support for Children crash pad series