Sea to Summit Ascent AcI

The Ascent down mummy sleeping bag redefines the meaning of versatile. Complex construction and high-quality down keep you warm when it’s cold outside, while the triple-zipper Free-Flow Zip system ensures you stay cool and ventilated when the weather warms.

Shaped to allow a natural sleeping position for comfort, while light and compact enough to go anywhere.

Features

• 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

Specs