-18°C

Thermarest Oberon 0 Down Sleeping Bag

-18°C Comfort Limit (EN13537:2012), 775g of 800+ Fill Power Down (US Method)
Weighs 1214g (Regular bag)
Code: SS18056V
  • Now From £399.99
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The Thermarest Oberon 0 Down Sleeping Bag was crafted for mountaineers, skiers and adventurers that push deep into frigid backcountry winters.

Therm-a-Rest says:

For those that take their adventures into the heart of winter or into colder climates, the Oberon provides the crucial protection you need.

We engineered the Oberon to protect athletes from extreme conditions during extreme pursuits, meticulously designing every gram to add warmth and security for the user. Certified by the Responsible Down Standard, the bag's 800-fill Nikwax Hydrophobic Down repels moisture and stays warm in damp conditions. Get better rest while keeping the cold at bay with the Oberon. Storage sack and compression stuff sack included.

The Oberon 0 Down Sleeping Bag is part of Therm-a-Rest's 'Fast & Light' range, which is their range of backpacking gear rather than camp comfort orientated equipment. This is the next model up from the Parsec 20 sleeping bag.

It features Therm-a-Rest's SynergyLink Connectors so you can integrate your mat and bag together, which is great for allowing you to move freely inside your bag without falling off your mat. This also provides some extra benefits throughout the night, helping to reduce heat loss and maximise efficiency of your set-up by consistently utilising the warmth of your insulated mat. 

The 800-fill Nikwax Hydrophobic down is a few seasons old now and has proven itself to really work, providing moisture protection for the down inside the bag and prolonging the life that you'll get out of it.

There's a 60-40 down distribution, placing more down on top and less on the bottom where the down gets compressed. By placing more down where you need it most, the design reduces the weight of the bag while increasing the overall warmth.

Extra features such as the oversized draft tubes and Toe-asis (close-fitting baffle/pocket for your feet), makes this bag much more interesting than others on the market.

- Reviewed by Ultralight Outdoor Gear

Help and advice:Choosing a sleeping bag adviceEN 13537 rating for sleeping bags explainedAll about down filling in sleeping bags
Sleeping bag shape and sizes adviceSleeping Bag features Page 1Sleepin bag features page 2
  • 800-fill Nikwax Hydrophobic Down: Dries 3 times faster than untreated down without using dangerous PFCs.
  • 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. Using 60% of the fill on top and 40% on the bottom gives the Oberon the optimum balance of warmth-to-weight.
  • Toe-asis Foot Warmer Pocket: Ergonomic toe box that rapidly warms cold feet in a pocket of warm down.
  • Quilt and Blanket Loops: Customize your sleep system by layering our quilts or tech blankets for increased warmth.
  • Responsible Down Standard Certified: Certification that ensures that the waterfowl in the down supply chain are treated humanely.
  • Additional features: Heat-trapping draft collars, full-length zipper draft tubes, differential cut, snag-free zipper, cinchable hood and external zip pocket.

Regular

  • Fits: 170cm - 183cm (5ft 7in - 6ft)
  • Girth: 157cm at shoulder, 145cm at hip, 117cm at foot
  • Fabric: 20D Polyester Ripstop / 20D Polyester Taffeta w/ ThermaCapture coating
  • Fill: 800+ fill Nikwax hydrophobic down RDS w/ Thermacapture seams
  • Fill weight: 775g
  • Pack size: 48 x 30cm
  • Comfort rating: -10C
  • Comfort Limit: -18C
  • Extreme rating: -40C
  • Weighs: 1214g

Large

  • Fits: 185cm - 198cm (6ft 1in - 6ft 6in)
  • Girth: 165cm at shoulder, 147cm at hip, 130cm at foot
  • Fabric: 20D Polyester Ripstop / 20D Polyester Taffeta w/ ThermaCapture coating
  • Fill: 800+ fill Nikwax hydrophobic down RDS w/ Thermacapture seams
  • Fill weight: 840g
  • Pack size: 48 x 30cm
  • Comfort rating: -10C
  • Comfort Limit: -18C
  • Extreme rating: -40C
  • Weighs: 1308g
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