

"What Our Gearhead® Experts Are Saying: ""I trust this bag for serious cold missions. The GORE Windstopper shell blocks spindrift and tent condensation, and the 800-fill down lofts big while still packing down reasonably small. The draft collar and oversized face gasket make a noticeable difference on sub-zero nights. It’s warm, protective, and built for real alpine conditions.""When we’re pushing into the high alpine in deep winter, sleep becomes survival. The Phantom GORE-TEX Sleeping Bag: 0F Down from Mountain Hardwear is built for those frigid nights when wind rattles the tent and frost creeps across the ridgeline. Designed for backpacking, climbing, and ski mountaineering, it delivers expedition-level warmth without unnecessary bulk. A GORE Windstopper 2-layer shell blocks biting wind and repels moisture while allowing vapor to escape, keeping the down performing in severe conditions. Inside, 800-fill RDS goose down provides exceptional loft and compressibility for an efficient warmth-to-weight ratio. Vertical side wall baffles maximize loft retention, while a shaped draft collar and oversized down-filled face gasket seal in heat. The expedition mummy cut offers room to stash boots or layers in freezing temperatures, and the contoured footbox supports a natural sleeping position for better warmth. Built for serious cold, this is the bag we rely on for hut trips, alpine traverses, and deep-winter objectives."
Price: $1289.99 from Backcountry
| Merchant | Price | |
|---|---|---|
| $1289.99 | Visit Store |
"The Phantom Windstopper -40 down sleeping bag shapes its mummy cut with extra room through the footbox, so climbers can stash boots and water bottles inside without losing warmth. Its GORE-TEX Windstopper shell blocks wind and sheds light precipitation,...
"What Our Gearhead® Experts Are Saying:""I used this on a few cold alpine nights where temperatures dropped close to the rating, and it stayed impressively warm without taking up much pack space. The hood and draft collar really seal things up once you’re...
"What Our Gearhead® Experts Are Saying:""The Phantom 30F is one of those bags you bring when weight matters, but you still want dependable warmth. It packs down incredibly small, lofts quickly, and the mummy cut seals in heat well on cool alpine nights....