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Mountain Hardwear Phantom 30F/-1C

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The Mountain Hardwear Phantom -1 - One down bag to rule them all! Whether you're a climber, skier, or backpacker, the versatile, gold-standard Phantom™ is a critical part of your overnight kit. This time-tested lightweight down bag is ideal for high-alpine traverses, backcountry hut trips, and multi-week backpacking adventures.

The Phantom is an extremely lightweight and compressible sleeping bag perfect if you are looking to cut down on weight. It has 850-fill goose down insulation which provides optimal warmth to weight ratio. It has a 10D recycled shell which adds to how lightweight it is and durability, its zips are anti-snag making it easy to get in and out but also stop that risk of getting the zip caught in your sleeping bag. The Phantom has a contoured foot box that follows the natural position of the foot giving you more warmth and comfort. The hood on the Phantom has four chamber's which maintains an even loft around your head for consistent warmth and comfort and a down-filled face gasket blocks drafts at the opening of the hood.

It comes with a nylon compression sack and a mesh sack for storage. If you are worried about ventilation, don't because the Phantom has a two-way zipper that allows for easy ventilation. It even has a glow in the dark reflective zipper, durable water repellent finish and Left hand and right-hand zippers available for zip-together functionality. The Phantom features an efficient mummy cut and a draft collar that blocks escaping warm air inside the bag. The Phantom has pulled out all the stops making sure it keeps you as warm as possible whilst remaining light and packable.


  • 850-fill goose down insulation for optimal warmth-to-weight ratio and compressibility
  • 10D recycled shell is extremely light and highly compressible
  • Lightweight but durable #5 zipper with anti-snag for easy entry and exit
  • Contoured footbox follows natural foot position for maximum warmth and comfort
  • Draft collar blocks the escape of warm air from inside the bag
  • Efficient performance mummy cut for maximum warmth and minimum weight
  • Four-chamber hood design maintains even loft around head for consistent warmth
  • Lightweight nylon compression sack and mesh storage sack included
  • Two-way zipper allows for easy ventilation
  • Down-filled face gasket comfortably blocks drafts at the hood opening
  • Glow in the dark, reflective zipper pull
  • Durable water-repellent finish


  • Insulation: 90% Goose Down, 10% Goose Feather

Suitable Temperature Range

Fahrenheit Celsius
Bag Comfort Degrees 34°
Bag Limit Degrees 30° -4º
Bag Extreme Degrees -5° -21°


  • Weight: 632 g
  • Bag Shape: Performance Mummy
  • Bag Loft: 10 cm
  • Bag Fill Weight: 285g 
  • Bag Stuffed Size: 15 cm x 33 cm
  • Inside Length Regular: 218cm
  • Inside Length Long:  234cm
  • Hip Girth Regular: 132cm
  • Hip Girth Long: 140cm
  • Shoulder Girth Regular: 147cm
  • Shoulder Girth Long: 152cm
      Customer Reviews
      5 Based on 1 reviews
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        Richard C.
        United Kingdom United Kingdom
        Lightweight, compact and warm

        I bought this bag to use on multi-day lightweight hikes and weekend getaways. Packs down incredibly small compared to other bags I've owned. I'm six foot and reasonably broad shouldered and although it's slightly more snug than I'm used to I can still comfortably wear a couple of layers if it gets really cold. Another benefit of being more fitted is that I can use it in my bivi bag and easily get full lofting so works for a winter bivi. Vertical baffles at the top of the bag means the down doesn't collect and cause cold spots if I turn over in the night. Comes with a net bag for storage. Delivery was faster than I was expecting. It was on offer at 40% off so I'm really happy with my purchase. Hadn't bought from R+R before but will be back given quality equipment, great pricing and fast delivery.