Mountain Hardwear · Sleeping Gear

Phantom Windstopper Sleeping Bag 0F/-18C

Name: Phantom Windstopper Sleeping Bag 0F/-18C
Brand: Mountain Hardwear
Price: 1287.00 CAD
Availability: InStock

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About this product

The Mountain Hardwear Phantom Windstopper Sleeping Bag is a serious alpine expedition bag rated to 0F (-18C), with an EN Comfort rating of 13F (-11C) and an EN Limit of 0F (-18C). Its outer shell is a GORE-TEX Windstopper 30D 2-layer nylon ripstop (57 g/m²), delivering windproof, highly water-resistant, and breathable protection that keeps 800-fill-power goose down performing even in severe mountain conditions. The 15D nylon ripstop lining (34 g/m²) keeps interior weight low, and the expedition mummy cut accommodates gear storage inside the bag during freezing temperatures. Key design 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 fits users up to 72 inches (183 cm) and compresses to 692 cubic inches (11.3 liters); the long fits up to 78 inches (198 cm) at 741 cubic inches (12.1 liters). Total weight is approximately 3 lb 10.3 oz (1,652 g), and the bag packs to 17 by 9.5 inches (43 by 24 cm) in the included nylon compression sack.

Category: Sleeping Gear
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 Phantom Windstopper 0F for its exceptional warmth-to-weight ratio, calling it one of the best 0F bags on the market. The 850-fill-power down, full-length draft tube, shaped draft collar, and contoured footbox earn repeated acclaim for keeping users genuinely warm at or below its rated temperature. The Gore-Tex Windstopper shell is highlighted as a standout feature for bivy and exposed alpine use, offering windproof and highly water-resistant protection. The most common criticisms are the snug, restrictive mummy fit (noted as uncomfortable for those who like to move around), the added weight and bulk of the Windstopper shell compared to the standard Pertex version, and the steep premium price. Some reviewers also note that the Windstopper shell breathes less efficiently than the standard shell when used inside a tent, potentially trapping body moisture.