Therm-a-Rest  Saros 32F/0C Sleeping Bag

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If the forecast looks damp and your camp needs to be comfy, bring along the Therm-a-Rest Saros 32°F/0°C sleeping bag. It's the lightest bag in the Saros line and uses eraLoft™ synthetic insulation.

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Features

  • eraLoft insulation is efficient and compressible; the water-resistant insulation uses hollow fibers to reduce weight without sacrificing warmth
  • eraLoft synthetic insulation is quick-drying and weather-resistant, making it ideal for backpacking and mountaineering in wet weather from spring to fall
  • The fit of the bag has been perfected in the Therm-a-Rest onsite cold chamber to create the With Additional Room for Multiple positions (W.A.R.M.) fit
  • W.A.R.M. fit allows room for multiple sleep positions without compromising thermal efficiency
  • SynergyLink™ Connectors—ultralight, removable straps—create a secure bag-to-sleeping-pad connection that optimizes the comfort and thermal efficiency of your sleep system
  • SynergyLink Connectors function best with regular-width sleeping pads (not included) that are 3 in. thick or less when inflated
  • Zoned insulation maximizes warmth and saves weight by intentionally placing insulation where you need it most
  • Toe-asis™ foot warmer pocket is a baffled pocket of insulation that rapidly warms cold feet
  • Quilt and blanket loops let you customize your sleep system by layering Therm-a-Rest quilts or tech blankets (not included) for increased warmth
  • Heat-trapping draft collar; full-length zipper draft tube; snag-free zipper; cinchable hood; external zippered pocket
  • Designed to fit both men and women
  • Compression sack and storage sack included

Imported.

Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.

Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
View all Therm-a-Rest Backpacking Sleeping Bags

Technical Specs

Best Use

Backpacking

Tested Lower Limit

32 degrees (F) - ISO

Tested Comfort

41 degrees (F) - ISO

Temperature Rating (F)

32 degrees (F)

Temperature Rating (C)

0 degrees (C)

Ultralight

Yes

Shell

20-denier polyester with durable water repellent (DWR)

Zipper Location

Left

Insulation Type

Synthetic

Fill

eraLoft polyester hollow fiber

Sleeping Capacity

1-person

Lining

20-denier polyester taffeta

Sleeping Bag Shape

Mummy

Stuff Sack Size

9 x 20 inches

Stuff Sack Volume

20.9 liters

Compressed Volume

8.8 liters

Gender

Unisex

Reviews
4 reviews with an average rating of 4.3 out of 5 stars

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