Sorry!  This item Is out of stock.  ( Sea to Summit - Trek I Sleeping Bag (Previous Season Style) )

Sea to Summit - Trek I Sleeping Bag (Previous Season Style)

Availability: Out of stock

Stock #: F538Z-
Shop all in stock - Down


Incorporating 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 wall, a feature normally reserved for technical alpine sleeping bags, provides more space for the down to loft right to the edge of the bag.


  • Tapered rectangular shape
  • 2D PermaShell™ DWR shell fabric
  • Differential cut shell with 3D side walls
  • 60/40 fill ratio; side block baffle
  • Zipper draft tube with anti-snag strip
  • Cushioned internal hood drawcord with dual adjustment
  • 2 way YKK® #5 zippers with separate foot zip
  • Large sized internal zipper pocket
  • Includes lightweight Ultra-Sil® compression bag, mesh storage cell and laundry bag.

Additional Information

Year Spring 2014
Material 33D Nylon with DWR, 342T high density down-proof weave
Insulation ULTRA-DRY Down™ 650+ Loft 85/15 Premium Duck Down
Temp Rating 32F / 0C (Lower Limit)
Length Fits to 72" (Reg)
78" (Long)
Shoulder Girth 60 in (Reg)
64 in (Long)
Hip Girth 60" Reg
62" Long
Foot Girth 40 in (Reg
43 in (Long)
Packed Size 5.1L
Weight 1 lb 13 oz (Reg)
2 lb (Long)