+7°C

Thermarest Space Cowboy 45 Synthetic Sleeping Bag

7°C Comfort Limit (EN13537:2012), 249g of eraLoft 3D Hollow Polyester Fibre Synthetic Insulation
Weighs 568g (Regular bag)
Code: SS18058V
  • Now £109.99
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The Thermarest Space Cowboy is a lightweight synthetic sleeping bag built for intense pursuits in mild temperatures. Zoned insulation makes it one of the lightest, most compact bags in it's class.

Therm-a-Rest says:

The feather-weight Space Cowboy is built with eraLoft to endure the rigors of backpacking and cowboy camping in variable conditions. Designed with innovative Therm-a-Rest features like SynergyLink Connectors and Zoned Insulation, the bag is among the lightest and most packable in its class.

The mummy-style bag compresses down to take up minimal room in your pack and comes in two outdoor-inspired colors. Whether exploring the western frontier, bike packing through the desert or wandering through the wild, the Space Cowboy has you covered. Storage sack and compression stuff sack included.

Therm-a-Rest's Space Cowboy sleeping bag has been designed with 'cowboy campers' in mind. For those who are unsure what I mean by cowboy campers, it basically means those who prefer to sleep tent free under the stars, packing just the minimal to keep you comfortable. Of course it works well in a tent too. In fact for those who live in the UK like myself you might not get as many chances to sleep under the stars, at least not without a tarp.

The bag has been built with eroLoft insulation to keep you warm and dry during fast and light adventures. It's filled with a 65-35 distribution, placing more fill on the top and less on the bottom where the fill gets compressed. This saves weight and gives you a smaller pack size. The synthetic fibres repel water to keep you dry in damp conditions. Important in case you do get caught out.

It's lined with Thermacapture material - a light weight fabric that reflects radiant body heat and maximises heat retention throughout the night. If you pair the bag with an insulated mat you will get a warmer bag for less weight. It can even be attached to your mat using the Synergy Link Connectors which will help to reduce heat loss, as well as preventing you from sliding off the mat in the night.

- Reviewed by Ultralight Outdoor Gear

Help and advice:Choosing a sleeping bag advice
 EN 13537 rating for sleeping bags explained
 Sleeping bag shape and sizes advice
 Sleeping Bag features Page 1
 Sleepin bag features page 2
  • eraLoft Insulation: Efficient and compressible, our water-resistant synthetic fill uses hollow fibers to reduce weight without sacrificing warmth.
  • SynergyLink Connectors: Integrate the bag with a mattress for optimal comfort and efficiency; removable for versatility.
  • ThermaCapture Lining: Top of bag is lined to trap radiant body heat and retain warmth without adding bulk or weight.
  • Zoned Insulation: Maximizes 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 Space Cowboy lightweight without sacrificing warmth.
  • Quilt and Blanket Loops: Customize your sleep system by layering our quilts or tech blankets for increased warmth.
  • Additional features: Snag-free zipper and cinchable hood.

Small

  • Girth: 144cm at shoulder, 144cm at hip, 108cm at foot
  • Fits up to: 168cm (5ft 6in)
  • Fabric: 20D Polyester Ripstop / 20D Polyester Taffeta w/ ThermaCapture coating
  • Fill: eraLoft 3D Hollow Polyester Fibre w/ Thermacapture seams
  • Fill weight: 223g
  • Pack size: 18 x 25cm
  • Comfort rating: 11C
  • Comfort Limit: 7C
  • Weighs: 512g

Regular

  • Girth: 156cm at shoulder, 147cm at hip, 113cm at foot
  • Fits up to: 183cm (6ft)
  • Fabric: 20D Polyester Ripstop / 20D Polyester Taffeta w/ ThermaCapture coating
  • Fill: eraLoft 3D Hollow Polyester Fibre w/ Thermacapture seams
  • Fill weight: 249g
  • Pack size: 18 x 25cm
  • Comfort rating: 11C
  • Comfort Limit: 7C
  • Weighs: 568g

Large

  • Girth: 165cm at shoulder, 149cm at hip, 126cm at foot
  • Fits up to: 198cm (6ft 6in)
  • Fabric: 20D Polyester Ripstop / 20D Polyester Taffeta w/ ThermaCapture coating
  • Fill: eraLoft 3D Hollow Polyester Fibre w/ Thermacapture seams
  • Fill weight: 269g
  • Pack size: 18 x 25cm
  • Comfort rating: 11C
  • Comfort Limit: 7C
  • Weighs: 606g
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