Sea to Summit
Trek 30-Degree Down
Manufacturer list price (MSRP)
$468.02
Retailer prices change, so we show the manufacturer list price and link out for you to check the current price.
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Overview
The Sea to Summit Trek is the brand's do-it-all three-season down bag, with 650+ fill power down and a comfort-oriented cut. The 30-degree model balances warmth, weight, and price for backpacking and camping.
Specs
- Brand
- Sea to Summit
- Weight
- 720 g · 25.4 oz
- Temp rating
- 30°F / -1°C (manufacturer rating, not independently ISO 23537 / EN 13537 tested)
- Fill
- 650+ fill power down, Ultra-Dry Down (RDS certified)
- Shape
- Rectangular
- Fill Material Type
- Down
- Item Weight
- 0.5 kg
- Material
- Nylon
- Seasons
- 3 Seasons
- Shell material
- Nylon
- Fill Material — Source: retailer · checked 2026-08-16
- Material Primary — Source: retailer · checked 2026-08-16
- Season Rating — Source: retailer · checked 2026-08-16
- Shape — Source: retailer · checked 2026-08-16
- Shell Material — Source: retailer · checked 2026-08-16
- Temperature Rating F — Source: retailer · checked 2026-08-16
- Weight G — Source: retailer · checked 2026-08-16
Weight vs. category
17% 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.
- Weight
- 1.59 lb (720 g)
- Lighter than 58% of 24 weighed · #10 lightest
- -22% vs the median 2.04 lb
- Price
- $468.02
- Cheaper than 17% of 29 priced · #24 cheapest
- +29% vs the median $364.00 · $18.43/oz (median $8.20/oz)
- Temperature rating
- 30 °F
- Lower than 21% of 47 rated
- median 20 °F
The lightest of the sleeping bags & quilts on record is Gossamer Gear Cumulus x Gossamer Gear Aerial 330 Sleeping Bag at 11.6 oz — 391 g less and $69.02 less.
The cheapest is Sea to Summit Boab Synthetic Sleeping Bag at $124.00 — $344.02 less and 590 g heavier.
RidgeNote verdict
Similar — lighter or cheaper
Compared with
Side by side on weight, list price and cost per ounce.
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)
$468.02