If you're going to be facing some cold nights on your backpacking trip, bring the Sea To Summit Ultralight Insulated Sleeping Pad to boost warmth without adding weight. Thermalite insulation traps warm air and protects you from the cold ground, and Exkin Platinum thermal technology uses a super thin lightweight metalized layer to reflect heat back to your body. Air Sprung cells evenly distribute pressure so the pad conforms to your body for a comfier feel than traditional baffle construction, and it makes the pad extremely packable. An antimicrobial treatment keeps odor at bay, and the tough nylon fabric won't get shredded when you decide to sleep under the stars. The multi function valve has a one way valve to make inflation easier, and it has a button you can press to slowly release air for fine tuned comfort. The rapid air dump port lets you deflate quickly when you're packing up. It also comes with a stuff sack for convenient storage and a repair kit so you can fix tears in the field.