Therm-a-Rest Regulus Blanket 40

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Regular Long
Temp Rating 40°F / 4°C
Fill EraLoft
Weight 994 g / 2 lb 2 oz 1275 g / 2 lb 13 oz
Fits Up To 178 cm / 5 ft 10 in 193 cm / 6 ft 4 in
Girth 127/127/53 cm/ 50/50/21 in 147/147/61 cm/ 58/58/24 in

Manufacturer's Description

The Regulus technical blanket is a popular choice for backpackers and thru-hikers. The streamlined blanket reduces weight by focusing on simple versatility and minimalist performance.

  • Carry Less—The streamlined blanket reduces weight by focusing on simple versatility and minimalist performance. Lightweight materials and efficient insulation make it a lighter, more packable alternative to a conventional sleeping bag.
  • More comfort, versatility and freedom of movement—blanket design allows users the freedom to roll, stretch and move across the entire span of a mattress without feeling confined. 
  • Sleep Securely—Partners with a mattress to create a complete sleep system. The shaped footbox wraps snugly around the foot of a mattress and insulated baffles prevent drafts. The included snap kit keeps the blanket secured to a mattress throughout the night.
  • The blanket also comes with a compartmental storage sack, lightweight stuff sack, and stash pocket.
  • Stuff sack: 20x46 cm / 8x8 in (Regular); 23x46 cm / 9x18 in (Long)
  • Shell: 30D Polyester with DWR
  • Lining: 50D Polyester


Retailers' Descriptions

Here's what other sites are saying:

The Regulus Blanket, from Therm-A-Rest, partners with your mattress to create a sleep system offering excellent freedom of movement and temperature regulation in temperatures as low as 40F (4C). Synthetic eraLoft insulation offers warmth and loft that performs in all-weather conditions. A shaped footbox and insulated baffles create a secure connection with your mattress and prevent drafts. The included loop kit allows your blanket and mattress to function as one throughout the night


Complement your summer camping kit with the Therm-a-Rest Regulus Blanket. Ideally suited for warm weather and dry climates, this synthetic-fill bag strikes just the right balance between weight savings and warmth. With this lightweight sleeping bag and an ultralight air mattress in your pack, you'll be able to move fast on the trail and sleep soundly at night.


On Sale. Free Shipping. Therm-A-Rest Regulus Blanket FEATURES of the Therm-A-Rest Regulus Blanket Combines with your mattress to create a sleep system offering excellent freedom of movement and temperature regulation Performsin.temperatures as low as 40deg F (4deg C) Included loop kit allows your blanket and mattress to function as one throughout the night Loop kit allows a wide range of attachment options Blanket Construction offers free movement and temperature regulation Insulated Baffles and an elasticized foot box create a seal around your mattress that keeps drafts at bay Included Loop Kit allows a wide range of attachment options Light, compressible eraLofeet synthetic insulation stays warm and dryin.wet conditions SPECIFICATIONS of the Therm-A-Rest Regulus Blanket Temperature Rating: 40deg F / 4deg C Fill: eraLoft Liner Fabric: 50D Nylon Shell Fabric: 30D Nylon Ripstop with DWR The SPECS for Regular Weight: 2 lbs 2 oz / 944 g Fill Weight: 25 oz / 720 g Fits: 5 feet 10in./ 178 cm Shoulder Girth: 50in./ 127 cm Hip Girth: 50in./ 127 cm Footbox Girth: 21in./ 53 cm Width: 50in./ 127 cm Length: 78in./ 198 cm Packed Dimension: 8 x 18in./ 15 Liters The SPECS for Long Weight: 2 lbs 14 oz / 1275 g Fill Weight: 36 oz / 1024 g Fits: 6 feet 4in./ 193 cm Shoulder Girth: 58in./ 147 cm Hip Girth: 58in./ 147 cm Footbox Girth: 24in./ 61 cm Width: 58in./ 147 cm Length: 80in./ 203 cm Packed Dimension: 9 x 19in./ 17 Liters This product can only be shipped within the United States. Please don't hate us.

- Moosejaw

Therm-a-Rest Regulus 40 Degree Synthetic Blanket - The Regulus blanket from Therm-a-Rest offers unrestricted freedom of movement for summer-season camping. The Regulus provides all the technical benefits of a sleeping bag without making you feel like a mummy. Instead, you get the added benefits of space, ventilation and foot-loose freedom. EraLoft synthetic insulation is lightweight, warm, and hydrophobic. Comfort rated to 40 degrees, itâ??s perfect for summer backpacking, hostel-hopping, and road trips. Use it as part of a sleep system, or on its own around camp. The Therm-a-Rest Regulus blanket is the perfect companion for summer nights and backpacking in warm weather conditions.

- Outdoorplay