The Sea To Summit Ascent down mummy sleeping bag redefines what versatile means in a sleep system. Complex construction and high-quality down keep you warm when its 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, the Ascent is light and compact enough to go everywhere your adventures may take you.

Highlights

Best Use

• Backpacking

Performance

• 2.5 Season:25F (comfort range 25F to 70F)

Shape

• More room between hips and knees to allow you to sleep in a natural position without compressing the down insulation and creating cold spots. Far more comfortable than narrow mummy bags for most sleepers.

Features

• ULTRA-DRY Down 750+Loft 90% Down Cluster Premium Duck Down certifiedResponsible Down Standard (RDS)
• Shell Fabric:Lightweight 20D Nylon Shell
• 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 chesttopreventdown shifting as you roll over in your sleep.
• Shaped hood, oversized draft collar,andzipper draft tubekeep the cold out and the warmth in.
• Internal pocketfor phone / GPS / valuables.
• Form a snug double sleeping bagby zipping to any Altitude, Journey or Venture sleeping bag.
• Includeslightweight Ultra-Sil compression bag and storage cell.
• Shape: Relaxed Mummy

Specs