Therm-a-Rest
Polar Ranger 20f 30c Down Sleeping Bag
Sold by the people who make it — no third-party seller in between.
RidgeNote is reader-supported: if you buy through the retailer links below, we may earn an affiliate commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases.
Manufacturer list price (MSRP) — Long
$839.95
Retailer prices change, so we show the manufacturer list price for each version and link out for you to check the current price.
Overview
An 800-fill down sleeping bag made for absolute extreme cold in the world’s remote places, providing highly packable warmth and essential performance features.
Specs
- Brand
- Therm-a-Rest
- Weight
- not published by the manufacturer
- Fill
- not published by the manufacturer
- Shape
- not published by the manufacturer
- Fill Material — Source: manufacturer · checked 2026-09-02
- Shape — Source: manufacturer · checked 2026-09-02
Weight vs. category
100% lighter than the category average.
How it measures up
Against every one of the sleeping bags & quilts in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
- Price
- $789.95
- Cheaper than 0% of 29 priced · #29 cheapest
- +117% vs the median $364.00
The cheapest is Sea to Summit Boab Synthetic Sleeping Bag at $124.00 — $665.95 less.
RidgeNote verdict
Similar — lighter or cheaper
Related reading
What Is the Lightest 20 Degree Sleeping Bag in 2026
See how NEMO, Kelty, and Sea to Summit 20 degree bags compare by weight, price per ounce, and rank across the current shelf for 2026.
What's the Lightest Ultralight Sleeping Bag Worth Buying in 2026?
RidgeNote ranks 24 ultralight sleeping bags and quilts by published weight, from 11.6 oz to 72.0 oz, so you know what going lighter costs in ounces.
What Is the Lightest 30 Degree Sleeping Bag in 2026?
See which 30 degree sleeping bags and quilts weigh least, ranked by grams, ounces, and price per ounce across the full shelf.
Manufacturer list price (MSRP)
from $789.95