Therm-a-Rest Parsec 0F/-18C Sleeping Bag

Therm-a-Rest Parsec 0F/-18C Sleeping Bag

Therm-A-Rest

Therm-a-Rest Parsec 0F/-18C Sleeping Bag by Therm-A-Rest is a higher-value sleeping bag option for hikers comparing performance, pack trade-offs, and trip fit rather than just lowest price.

Key facts

  • Price: £600.00
  • Weight: 1100g
  • Type: Sleeping Bags
  • Meal type: equipment
  • No cook

Best for

  • cold-weather camping
  • multi-day hiking trips
  • sleep systems where warmth matters more than shaving every gram

Things to know

  • Temperature rating matters more than marketing copy.
  • Heavier bags can still be the right choice when warmth is the limiting factor.
  • Best judged as part of a full sleep system, not in isolation.

Avoid if

  • you only camp in mild summer conditions

How it fits into a trip

Most useful when overnight recovery and cold-weather protection matter enough to justify the weight and cost.

About this product

The Therm-a-Rest Parsec 0F/-18C is designed for colder nights.

This 900-fill model offers warmth without the weight.

For cooler temperatures, the Parsec is your go-to.

It offers year-round comfort, even on chilly alpine nights, thanks to its new premium 900-fill hydrophobic down.

The soft and durable recycled nylon shell is kinder to the planet and the anti-snag YKK® zipper ensures easy entry and exit while minimising wear and tear.

The fleece structure and zoned insulation are strategically located deeper in priority areas.

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