Returning to the same campsite each night? You’ll have a cozy bed to look forward to with the Sea to Summit Amplitude Down 25F sleeping bag. It’s spacious, cozy and offers versatile ventilation.
Features
- Each side of the Amplitude has a full-length side zipper; a third zipper can be found in the foot box, allowing the top section to be removed and used as a comforter
- Shaped hood and zipper draft tubes keep cold out and warmth in
- 750-fill-power duck down provides cozy warmth
- Vertical baffles over the chest prevent down shifting as you roll over in your sleep
- Includes lightweight Ultra-Sil™ compression bag for easy storage and transport
- Form a snug sleeping bag for 2 by zipping to another Amplitude or Explore, Ascent™, Trek™, Traverse™, Altitude™, Journey™ or Venture™ sleeping bag (not included)
Imported.
Technical Specs
| Best Use | Camping |
|---|---|
| Tested Lower Limit | 25 degrees (F) – EN |
| Tested Comfort | 37 degrees (F) – EN |
| Temperature Rating (F) | 25 degrees (F) |
| Temperature Rating (C) | -4 degrees (C) |
| Weight | Regular: 2 lbs. 7 oz. |
| Shell | Nylon |
| Zipper Location | Left/Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 750-fill-power duck down |
| Fill Weight | Regular: 1 lb. |
| Lining | 20-denier nylon |
| Sleeping Bag Shape | Rectangular |
| Fits Up To (in.) | Regular: 72 inches |
| Shoulder Girth (in.) | Regular: 76 inches |
| Hip Girth (in.) | Regular: 75 inches |
| Stuff Sack Size | 7 x 16 inches |
| Stuff Sack Volume | 10 liters |
| Compressed Volume | Regular: 6.3 liters |
| Gender | Unisex |































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