With its classic tapered rectangular shape, the Trek II is a great all-arounder and one of our most popular sleeping bags.
NEW ULTRA DRY DOWN! Redefines the industry standard for the classic tapered rectangular sleeping bag, the TkII is a great all rounder.With every Sea To Summit bag includes a "Down Batch Test Report" analysis certificate from the International Down Feather Laboratory (IDEL) to certify the…
Incorporating our 2D PermaShell fabric and a premium 650+ Loft ULTRA-DRY Down, the Trek bags are a refined classic. The 60/40 fill ratio in the Trek bags is maintained using a side block baffle and differential cut shell. In the top of the shell a 3D side walla feature normally reserved for…