Mountain Hardwear · Sleeping Gear

Phantom Windstopper Sleeping Bag 0F/-18C

Phantom Windstopper Sleeping Bag 0F/-18C
22% OFF

$1,357.00

$1,739.99Save $382.99 (22%)

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Price Historylast 6 months

$1,409$1,226$1,043$1,357.00Mar 30Jun 23Today

Low $1,043.00 · High $1,409.00. Hover the line to see each change.

Is this a good deal?

  • The lowest price we’ve tracked since March 2026 is $1,043.00; today’s price is $1,357.00.
  • The current price took effect within the last day.
  • Across the 26 Sleeping Gear deals we’re tracking right now, the median discount is 30% — this deal’s 22% off is below that mark.

Based on prices we’ve recorded from The Last Hunt since March 2026, refreshed several times daily.

About this product

The Mountain Hardwear Phantom Windstopper 0F/-18C is an expedition mummy sleeping bag engineered for serious alpine missions where wet conditions and open bivouacs demand uncompromising protection. The shell is constructed from GORE-TEX Windstopper 30D 2-layer nylon ripstop (57 g/m²), a windproof and highly water-resistant fabric that keeps 800-fill goose down dry and lofting even in severe mountain weather. The 15D nylon ripstop lining (34 g/m²) keeps interior weight minimal, and the bag packs down to just 17 by 9.5 inches (43 by 24 cm), with a compressed volume of 11.3 liters in the regular size and 12.1 liters in the long. The EN comfort rating sits at 13F/-11C, with a limit rating of 0F/-18C. Thoughtful construction details include vertical side-wall baffles for maximum loft, a shaped draft collar, an oversized down-filled face gasket, a contoured footbox, and an anti-snag zipper with a glow-in-the-dark pull. The regular size accommodates users up to 72 inches (183 cm) tall, while the long fits up to 78 inches (198 cm). Both a nylon compression sack and a mesh storage sack are included.

Brand
Mountain Hardwear
Material
Lining: 15D Nylon Ripstop 34 g/m²
Color
Colour: Alpine Red
Size
17 in x 9.5 in / 43 cm x 24 cm
Bag Shape
Expedition Mummy
En Rating
T-COMFORT: 13 F / -11 C
Fabric Body
GORE-TEX® Windstopper 30D 2-Layer Nylon Ripstop 57 g/m²
Bag Fill Type
800-Fill Goose Down
Fabric Lining
15D Nylon Ripstop 34 g/m²
Approx. Weight*
3 lb 10.3 oz / 1652 g

What people are saying

Reviewers consistently praise the Mountain Hardwear Phantom Windstopper 0F for its exceptional warmth-to-weight ratio, with multiple testers confirming it performs at or beyond its 0F rating in real-world conditions. The 850-fill-power down, mummy cut, draft collar, and face gasket are frequently highlighted as key contributors to its thermal efficiency. Its impressively light weight and small packed size for a 0F bag are recurring points of admiration. The Gore-Tex Windstopper shell earns specific praise for wind and moisture resistance, making it well-suited for open bivouacs and severe alpine conditions. The most common complaints center on the narrow, restrictive fit that some find uncomfortable, a zipper prone to snagging on the draft tube fabric, and a very thin shell that requires careful handling to avoid tears. The high price is also noted as a barrier, though most reviewers consider it justified for the performance level.

Specifications

Warmth
5/5
Breathability
4/5
Durability
4/5
Packed weight
1.36 kg
Temperature rating
-18°C
Down fill power
800 FP

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22% off Phantom Windstopper Sleeping Bag 0F/-18C — Backpacker.ca