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Thermarest Space Cowboy 45F/7C Regular Sleeping Bag

Space Cowboy 45F/7C Regular Sleeping Bag

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Product ID: 1553293

Thermarest Space Cowboy 45F/7C Regular Sleeping Bag

Thermarest’s Space Cowboy 45F/7C Regular Sleeping bag uses a synthetic eraLoft insulation for warmth that is made using hollow polyester fibres that hold heat around the body for a comfortable night’s sleep. As it is synthetic, the bag is easy to look after and will still work well in damper conditions whilst the zonal distribution of the fill optimises the placement of the insulation to maximise warmth and minimise weight. 

Anti-snag YKK zips run freely without damaging the recycled outer or inner fabrics and the bag can be attached to a sleep pad so that there is no chance of rolling off it onto the ground overnight. 

Please note, accessories shown are not included.


  • Recycled shell and liner: GRS-certified 100% recycled fabrics are eco-friendly while being lightweight, soft and durable
  • eraLoft™ insulation: Efficient and compressible, the proprietary synthetic insulation uses hollow fibres to trap air and boost warmth without added weight; dries fast and retains loft and warmth even when wet
  • SynergyLink™ Connectors: Ultralight straps create a secure bag-to-sleeping pad connection that optimises the comfort and thermal efficiency of the entire sleep system
  • YKK® Anti-Snag zip: Prevents accidental tears and eases entries and exits
  • Heat-Mapped Zoned Insulation: Delivers an elite warmth-to-weight ratio by allocating insulation to where it's most needed and reducing it where it isn’t
  • Combo stuff and storage sack included
  • Fill: eraLoft™ insulation
  • Fits: 183cm
  • Length: 203cm
  • Width: 79cm
  • Girth shoulder: 157cm
  • Girth hip:145cm
  • Girth footbox: 117cm
  • Packed dimensions: 20 x 26cm
  • EN comfort rating: 11°C
  • EN limit rating: 7°C
  • EN extreme rating: -6°C
  • Manufacturer’s claimed weight: 0.78kg

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