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Therm-a-Rest Space Cowboy 45F Sleeping Bag

sku# 148418
Therm-a-Rest - Space Cowboy 45F Sleeping BagTherm-a-Rest - Space Cowboy 45F Sleeping BagTherm-a-Rest - Space Cowboy 45F Sleeping Bag
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This product can only be shipped within the U.S.

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Product Info

Whether you're saddling up your bike or hoofin' it the old fashioned way, the Therm-a-Rest Space Cowboy 45F Sleeping Bag is the lightweight sleeping bag solution to your summer outdoor adventures. Its synthetic fill and DWR treatment protects you from morning dew and light rain, while the integrated SynergyLink connectors and quilt and blanket loops makes it easy customize your sleep situation to perfection.

Product Details


20D Polyester Ripstop Shell with DWR

20D Polyester Taffeta Liner


eraLoft 120g 3D Hollow Polyester Fiber with ThermaCapture Lining

eraLoft™ InsulationEfficient and compressible, this water-resistant synthetic fill uses hollow fibers to reduce weight without sacrificing warmth.


Packed Size7 x 10" / 18 x 25 cm

Girth, Shoulder61.5" / 156 cm

Girth, Hip58" / 147 cm

Girth, Foot Box44.5" / 113 cm

31.5 x 80"Fits sleepers up to 72" tall


SynergyLink ConnectorsThese removable straps wrap around your mattress for optimal comfort and efficiency. You'll stay centered on your pad, eliminating sliding, twisting, and cold spots.

Zoned InsulationMaximizes warmth and saves weight by intentionally placing fill where you need it most. Placing 65% of the fill on top and 35% on the bottom keeps the sleeping bag lightweight without sacrificing warmth.

Quilt and Blanket LoopsCustomize your sleep system by layering our quilts or tech blankets for increased warmth.

Snag-Free Zipper

Cinchable Hood

Stuff Sack and Storage Sack Included


  • Insulation: Synthetic
  • Temperature Rating: 45
  • Shape: Mummy
  • Warranty: Limited Lifetime
Size Long Regular Small
Length Regular
Zipper Location Left Side
Max User Height 6'
Weight (lbs) 1.25
Weight (g) 570

Other Notes

Therm-a-Rest products can only be shipped within the United States



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