The lightest of all Sea to Summit’s Trek sleeping bags, the Trek I is ideal for camping in the summer or traveling to temperate climates. The full length zipper allows the bag to be fully opened up for use as a comforter in mild temps.
Trek Sleeping Bag Down
- Down: ULTRA-DRYDown 650+ Loft 85% Down Cluster Premium Duck Dow
- Length / zip options: Regular – left or right zip Long – left zip
- Season ratings: Indoor/Summer