Sea to Summit Ascent -1C Down Sleeping Bag Regular Summer 2025
The Ascent down mummy sleeping bag redefines the meaning of versatile. Complex construction with technical features and high-quality down means it's suited to a multitude of climates and adventures. From long distance hikes to weekend getaways, the ultra lightweight 750+ RDS Certified goose down keeps you warm when it's cold outside, while the triple-zip Free-Flow Zip system ensures you stay cool and ventilated when the weather warms.
The Ascent down mummy sleeping bag redefines the meaning of versatile. Complex construction with technical features and high-quality down means it's suited to a multitude of climates and adventures. From long distance hikes to weekend getaways, the ultra lightweight 750+ RDS Certified goose down keeps you warm when it's cold outside, while the triple-zip Free-Flow Zip system ensures you stay cool and ventilated when the weather warms.
SKU: ASL041101-052001-ss2025
- ULTRA-DRY Down 750+ Loft 90% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
- Free-flow zipper system: full-length YKK® #5 main side zip, half-length opposite side zip, and foot zip provides unparalleled ventilation and use as a comforter
- Vertical baffles over the chest to prevent down shifting as you roll over in your sleep
- Shaped hood, oversized draft collar, and zipper draft tube keep the cold out and the warmth in
- Internal pocket for phone / GPS / valuables
- Includes lightweight Ultra-Sil compression bag and storage cell
- Form a snug double sleeping bag by zipping to any Altitude, Journey or Venture sleeping bag
Detailed description
- ULTRA-DRY Down 750+ Loft 90% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
- Free-flow zipper system: full-length YKK® #5 main side zip, half-length opposite side zip, and foot zip provides unparalleled ventilation and use as a comforter
- Vertical baffles over the chest to prevent down shifting as you roll over in your sleep
- Shaped hood, oversized draft collar, and zipper draft tube keep the cold out and the warmth in
- Internal pocket for phone / GPS / valuables
- Includes lightweight Ultra-Sil compression bag and storage cell
- Form a snug double sleeping bag by zipping to any Altitude, Journey or Venture sleeping bag
Technical Specifications