-5°C

Sierra Designs Shut Eye 20 Synthetic Sleeping Bag

-5°C Comfort Limit, 964g of SierraLoft Synthetic Insulation
Weighs 1266g (Regular bag)
Code: SS21644V
  • Now From £77.99
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Synthetic sleeping bags are ideal for damp conditions where down may not perform as well. The Shut Eye has a -5°C Comfort Limit which is impressive for a bag of this weight and pack size.

Sierra Designs says:

Whether you're road-tripping, camping, or backpacking you won’t lose a wink of sleep with the Shut Eye. With an anti-snag zipper getting in and out of this bag is a breeze. This all-purpose synthetic bag delivers warmth even in cool, damp conditions with a PFC-free DWR treated 20D Polyester shell and an adjustable hood.

| Click here for more info on Sierra Designs, their history, philosophy and information on how they support their mission to get everyone 'outside'.

Sierra Design's Shut Eye 20 Synthetic Sleeping Bag uses 964g of SierraLoft Synthetic Insulation to deliver a -5°C Comfort Limit in a bag weighing 1266g. For a synthetic bag that is a good balance of weight and temperature which is made even more impressive at such a low price. Obviously, you can get a down bag at this temperature rating for a lot less weight and a much smaller pack size but the price will be much higher.

The main benefit of using synthetic insulation in bags is it's ability to retain warmth and keep you insulated when moisture is involved. These bags are ideal for damp conditions such as use with a tarp or bivy, especially when you are doing multiple nights like that. The bag uses a durable 20D material for both the inner lining and outer shell and it has all the usual features you'd expect on a mummy shaped bag, with a good length zip opening, anti-snag zipper, cinchable hood, and the addition of a hand pocket so you can wrap up in it like a blanket.  

- 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
  • 20D polyester ripstop shell, 20D polyester taffeta liner makes for a durable exterior and a soft as butter interior.
  • Adjustable hood cinch for additional protection when the temps drop
  • Anti-snag zipper for easy use
  • Hand pocket to use bag like a blanket for bed-like comfort
  • ISO Tested
  • Stuff sack included for easy pack up and transport

Temperature Rating

  • Temperature Rating: 20°F / -6.67°C
  • ISO Comfort Temp Rating: 34°F / 1.11°C
  • ISO Limit Temp Rating: 23°F / -5°C

Regular Specs

  • Weight: 1266g (excludes storage bags)
  • Fill Weight: 34 oz / 963.88 g
  • Fits Up To: 72 in / 183 cm
  • Length: 78 in / 198 cm
  • Shoulder Circumference: 62 in / 157 cm
  • Hip Circumference: 56 in / 142 cm
  • Footbox Circumference: 40 in / 102 cm
  • Stuff Sack Size (L x W): 9 x 15 in / 23 x 38cm

Long Specs

  • Weight: g (excludes storage bags)
  • Fill Weight: 35 oz / 992.23 g
  • Fits Up To: 78 in / 198 cm
  • Length: 84 in / 213 cm
  • Shoulder Circumference: 64 in / 163 cm
  • Hip Circumference: 58 in / 147 cm
  • Footbox Circumference: 42 in / 107 cm
  • Stuff Sack Size (L x W): 9 x 15" / 23 x 38cm

Materials

  • Insulation: SierraLoft Synthetic
  • Shell Fabric: 20D Polyester
  • Liner Fabric: 20D Polyester Taffeta
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