The Sea to Summit® Trek 30° Down Mummy Sleeping Bag brings the comfort of a tapered-rectangular mummy shape and the versatility of a dual-zip ventilation system to wherever your travels may take you. Enjoy efficient warmth from the ULTRA-DRY Down 650+ Loft insulation with 85% down cluster premium duck down certified Responsible Down Standard (RDS). The full-length side YKK® zipper and secondary foot box zipper allow you to increase ventilation or open the Trek completely flat like a comforter. Form a snug double sleeping bag by zipping to any Altitude, Journey or Venture sleeping bag. The broader mummy cut gives you room to move inside the bag, regardless of your sleeping position. A Regular Wide model is available for those who really appreciate the extra wiggle room. Shaped hood and oversized zipper draft tubes seal in warmth and keep cold out. Internal pocket stores electronics and valuables. Sea to Summit Trek 30° down sleeping bag includes lightweight Ultra-Sil compression bag and storage cell. Temperature rating: 30°F.

ULTRA-DRY Down 650+ Loft insulation
Full-length side YKK zipper and secondary foot box zipper
Unzips to lie completely flat like a comforter
Shaped hood and oversized zipper draft tubes
Internal pocket for electronics and valuables
Lightweight Ultra-Sil compression bag and storage cell

Specs:

Regular

Weight: 1.68 lb.
Fill Weight: 12.3 oz.

Regular Wide

Weight: 2 lbs.
Fill Weight: 15.9 oz.

Long

1.88 lb.
Fill Weight: 14.1 oz.

Sea to Summit Trek 30° Down Mummy Sleeping Bag