Thermarest Corus 32 Down Quilt

0°C Comfort Limit (EN13537:2012), 339g of 650 Fill Power Down (US Method)
Weighs 588g (Regular bag)
Code: SS20536V
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Lightweight, comfortable and warm top-rated camp quilt that is extremely packable for your camping and backpacking adventures. The Corus provides the perfect blend of functionality and warmth. 

Thermarest says:

The versatile Corus™ Quilt offers essential comfort wherever you use it. Its perfect balance of functionality and warmth make it ideal for three-season backcountry adventures or for layering in colder conditions. Made with high loft, packable Nikwax Hydrophobic Down and Box Baffled construction for retaining heat and excellent temperature regulation, the Corus offers a surprisingly liberating feeling of unrestricted movement throughout the night. The footbox can slip over your pad to eliminate drafts or over your feet for extra warmth.

The Therm-a-Rest's 2020 Corus 32 Down Quilt, is ideal for those seeking ultralight performance and amazing comfort without a weight penalty. It features a good amount of 650 fill of responsibly sourced Nikwax Hydrophobic down which results in a 0°C Comfort Limit and vastly improves its performance in damp conditions. The impressive box wall construction for the baffles is something you only get on top quality down products as this technical aspect allows down to loft much more effectively while also reducing heat loss through cold spots along stitch lines. 

The spacious footbox fits round the bottom end of your sleeping mat keeping your feet warm and the quilt in place. It also includes poppered snap loops so it can easily be connected to a Thermarest mattress, quilt blanket or sheet allowing you to build a your own sleep system. There is a small pocket at the head end for those essentials you might need to find in a hurry such as a head torch. As you would expect it the pack size is tiny. If you're after a little bit of light-weight luxury on your next adventure then this quilt would be ideal.

- 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
  All about down filling in sleeping bags
  • 650 Fill Nikwax® Hydrophobic Down™: Absorbs 90% less water and dries 3 times faster without using dangerous PFCs.
  • Compact: Designed to easily fit into your pack.
  • Box Baffled Construction: Uses mesh walls to maximize down loft and minimize cold spots.
  • SynergyLink™ Connectors: Integrate the quilt with a pad for optimal efficiency and comfort; removable for versatility.
  • Thoughtful Footbox: Precisely shaped footbox can slip over your pad to eliminate drafts or over your feet for extra warmth.
  • Draft Protection: Full-perimeter side baffles and snap neck closure keep out unwanted drafts.
  • Build a System: Pair with another Therm-a-Rest quilt, sleeping bag, blanket or sheet to build a layered system.
  • Responsible Down Standard Certified: Certification that ensures that the waterfowl in the down supply chain are treated humanely.
  • Stuff sack and storage sack included

Temperature Rating

  • EN13537:2012 Comfort: 5°C / 41°F
  • EN13537:2012 Comfort Limit: 0°C / 32°F


  • Weight: 588g (excludes bags)
  • Fits: 183cm / 6ft
  • Shoulder girth: 126cm / 49.5in
  • Hip girth: 121cm / 47.5in
  • Footbox girth: 64cm / 25in
  • Fill weight: 339g
  • Packed dimensions: 17 x 25cm / 6.5 x 10in


  • Weight: 638g (excludes bags)
  • Fits: 198cm / 6ft 6in
  • Shoulder girth: 135cm / 53in
  • Hip girth: 131cm / 51.5in
  • Footbox girth: 76cm / 30in
  • Fill weight: 370g
  • Packed dimensions: 17 x 25cm / 6.5 x 10in


  • Shell: 20D Polyester RipStop w/ DWR
  • Lining: 20D Polyester Taffeta
  • Insulation: 650 Fill Nikwax Hydrophobic Down RDS
Showing our 1 review for Thermarest Corus 32 Down Quilt. Write a review ›
Review Summary - 4 out of 5 based on 1 rating.
September 3, 2020 | Stephen Overton
Great quilt for my style of hiking

I've used this quilt now for two 1 week trails hiking and wild camping, it's a cracking packable lightweight quilt for the minimalist hiker. I found it really comfortable and well made, feels good on your skin and with the quilt it's easy to hang a leg or arm out if you're becoming to hot. I do however feel that the 0°C rating for max comfort rating for a man is... in my opinion is slightly off as everyone is different. I would think it's more like 3-4°C but I always suspect that that when looking to buy a sleep system as I must be a bit of a cold sleeper, and if it's that cold I take an insulated jacket with me anyway. I do love this quilt and I would never go back to a sleeping bag while using a tent. Defo recommend. But remember sleeping quilts and bags need a good sleeping pad to pair with in order to keep warm.

Ultralight Outdoor Gear Limited