Western Mountaineering - Apache StormShield 15°F / -10°C

Apache StormShield™ – Ultralight 15°F Weather Proof Sleeping Bag for Alpine and Backcountry Use

Engineered for serious mountain pursuits, the Apache StormShield™ blends ultralight performance with durable and protective shell creating an award winning weather proof sleeping bag. Comfort rated to 15°F (-9°C) and weighing in at just 2 lb 2 oz (936 g), this premium mummy-style sleeping bag is designed for alpine climbers, ski mountaineers, and fast-packers pushing into cold, wet environments.

The Apache is filled with 850+ fill power ethically sourced goose down, providing exceptional warmth-to-weight performance and long-lasting loft. Its StormShield™ shell fabric is both windproof and water-resistant, making it ideal for summer mountaineering in the High Sierra, shoulder-season climbs in the Cascades, or exposed bivies on snowy ridgelines. The water resistant shell not only sheds moisture but also breathes well—crucial for managing condensation during multi-night trips in variable conditions.

The bag’s efficient cut minimizes dead air space while maintaining enough room for comfortable rest, even with extra base layers. A full-length draft tube and down-filled collar add thermal efficiency where it counts.

Whether you’re seeking a lightweight weather proof sleeping bag for glacier travel, a weather-resistant bag for sub-freezing bivouacs, or a packable option for backcountry missions where weight matters, the Apache StormShield™ delivers.

Features

• Filled with 850+ Fill Power ethically-sourced premium goose down
• Continuous baffles allow you to shift down for more insulation in colder weather
• Weather-resistant StormShield shell protects against extreme wind and moisture, while maximizing inner breathability
• StormShield-lined Insulated Draft Tube blocks cold air and keeps the torso better insulated
• Three-Dimensional Insulated Draft Collar provides barrier against heat loss
• Narrow cut mummy bag sheds weight while protecting against harsher elements
• Comes with ultralight stuff sack and breathable mesh storage bag
• 2 lbs. 2 oz. Total Weigh
  

Specifications

• Shape: Mummy (w/ full collar)
• Temp rating: 15F/ -9C
• Fill: 850+ Power Goose Down
• Colour: Gold
• Fabric: StormShield
• Loft: 15 cm
• Fill weight: 476g/520g/588g
• Total weight: 896g/950g/1008g
• Stuff size: 20 x 38 cm S