Therm-a-Rest · Updated August 2026
Therm-a-Rest Parsec 20 Sleeping Bag: price & specs
Therm-a-Rest Parsec 20 Sleeping Bag. Every price and spec below is linked to its source and dated — no guesses.
Source: thermarest.com verified STALE · 2026-07-10 ✓ corroborated verify in ledger
Price history
$408.42Is the Therm-a-Rest Parsec 20 Sleeping Bag a good buy?
At $408, the Therm-a-Rest Parsec 20 Sleeping Bag is #15 cheapest of the 17 sleeping bags we track, where the median is $249.95. On the spec sheet, its fill power of 900 is above the median of the 11, and its temperature rating f of 20 is at the median of the 19.
Specifications
| Price (US) | $408.42 — current on record (was $470) |
|---|---|
| Brand | Therm-a-Rest |
| Released | — |
| Temperature rating f | 20 |
| Insulation type | down |
| Fill power | 900 |
| Shape | mummy |
| Packed weight (lb) | — |
| Packed size | 7 x 10.5 in |
| Zipper side | left |
| Product note | 900-fill PFAS-free hydrophobic RDS-certified duck down; EN comfort 29F, limit 18F; Toe-asis insulated foot warmer pocket; 100% recycled 20D nylon ripstop shell; regular weight 1 lb 13 oz |
Source: thermarest.com (read 2026-07-10) STALE · 2026-07-10 · corroborated by bettertrail.com (read 2026-07-10). Model identity confirmed as the current 900-fill Parsec 20F/-6C (SKU 14386, Regular size): thermarest.com (Cascade Designs) Tech Specs list 900-Fill PFAS-Free Hydrophobic Duck Down (RDS), regular weight 1 lbs 13 oz (820 g), Packed Dimensions 7 x 10.5 in, EN Comfort 29 F / EN Limit 18 F, Zipper Side Left, and 100% Recycled 20D Nylon Ripstop shell. BetterTrail's dated 2026 review corroborates the same 900-fill down, 1 lb 13 oz weight, 20D nylon shell, 29/18 F ISO comfort/limit ratings, and mummy shape ("While technically a mummy bag"), and states the US price of $470. priceUsd $470 is taken from the BetterTrail review because the manufacturer page rendered its EU storefront with no USD price at access.
Is the Therm-a-Rest Parsec 20 Sleeping Bag worth it vs cheaper sleeping bags?
Therm-a-Rest Parsec 20 Sleeping Bag against its closest cheaper and pricier sleeping bags on the specs that matter — every value sourced. See all 17 ranked
| Product | Price | Temperature rating f | Insulation type | Fill power | Shape | Packed size |
|---|---|---|---|---|---|---|
| Therm-a-Rest Parsec 20 Sleeping Bag this | $408.42 | 20 | down | 900 | mummy | 7 x 10.5 in |
| Enlightened Equipment Revelation Sleeping Quilt | $370 | 20 | down | 850 | quilt | — |
| Sea to Summit Spark SpII Ultralight Down Sleeping Bag | $409 | 28 | down | 850 | mummy | 2.5 L (approx. 1-liter bottle size) |
Frequently asked questions
How much does the Therm-a-Rest Parsec 20 Sleeping Bag cost?
The Therm-a-Rest Parsec 20 Sleeping Bag has a US price of $408.42, as of 2026-08-22.
How does the Therm-a-Rest Parsec 20 Sleeping Bag compare on price?
At $408, the Therm-a-Rest Parsec 20 Sleeping Bag is #15 cheapest of the 17 sleeping bags we track, where the median is $249.95.
Has the Therm-a-Rest Parsec 20 Sleeping Bag's price dropped?
Yes — since 2026-07-25 the Therm-a-Rest Parsec 20 Sleeping Bag has fallen 13.1%, from $470 to $408.42.
What is the lowest price the Therm-a-Rest Parsec 20 Sleeping Bag has been?
The lowest we have recorded for the Therm-a-Rest Parsec 20 Sleeping Bag is $408.42 on 2026-08-22 — which is its current price.
Is now a good time to buy the Therm-a-Rest Parsec 20 Sleeping Bag?
At $408.42, the Therm-a-Rest Parsec 20 Sleeping Bag is at the lowest price we have recorded since 2026-07-25.
What are the Therm-a-Rest Parsec 20 Sleeping Bag's key specs?
Therm-a-Rest Parsec 20 Sleeping Bag (Therm-a-Rest): temperature rating f 20, insulation type down, fill power 900, shape mummy, packed size 7 x 10.5 in. Full sourced spec sheet verified 2026-07-10.
Price of record: $408.42 at thermarest.com, 2026-08-22. Other retailers may be lower — check the current price:
See Therm-a-Rest Parsec 20 Sleeping Bag on Amazon As an Amazon Associate we earn from qualifying purchases.Similar sleeping bags
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Compare with
Cheaper sleeping bags
- Enlightened Equipment Revelation Sleeping Quilt $370
- REI Co-op Magma 30 Sleeping Bag $349
- NEMO Equipment Disco Men's Endless Promise Down Sleeping Bag 15F $299.95
- Marmot Trestles Elite Eco 20 Sleeping Bag $200
- The North Face Cat's Meow 20 Eco Sleeping Bag $200
- Big Agnes Sidewinder SL 20 Mummy Sleeping Bag $199.96