Phantom™ Windstopper® -40F/-40C

A mission-critical piece designed for high-altitude expeditions and the most bone-chilling conditions on Earth, the Phantom™ WINDSTOPPER® -40° is our most protective sleeping bag yet. Take shelter from hardcore mountain conditions in this weather-resistant GORE-TEX cocoon that's so ultra-warm and packed with lofty down insulation, you won't want to leave when the summit window strikes. Built with light and compressible materials, moving camp is a breeze, helping get you one step closer to the top.

• Uses: Mountaineering, Expeditions, Basecamp, Backpacking
• 800-fill down insulation for optimal warmth-to-weight ratio and compressibility
• GORE-TEX WINDSTOPPER® fabric is breathable, highly water-resistant, windproof, and ideal for severe conditions
• Expedition mummy cut efficiently adds space to allow for gear storage in freezing temps
• Lightweight but durable #5 zipper with anti-snag for easy entry and exit
• Shaped draft collar blocks the escape of warm air from inside the bag
• Oversized down-filled face gasket extends into the hood to comfortably block drafts
• Oversized hood allows for full cinch closure in freezing temps
• Contoured footbox follows natural foot position for maximum warmth and comfort
• Vertical side wall baffles for added warmth and maximum loft
• Glow in the dark, reflective zipper pull
• Nylon compression sack and mesh storage sack included
• Oversized dual zipper draft tubes prevent cold spots along the zipper
• Imported