First Ascent92/8 Goose Down Mummy Sleeping Bag

About

Designed for everything from lightweight camping trips to demanding mountain expeditions, the First Ascent Down Sleeping Bag range delivers reliable warmth, comfort, and packability for every adventure. Featuring responsibly sourced goose down insulation, lightweight ripstop construction, and a compact pack size, these sleeping bags provide an excellent warmth-to-weight ratio while remaining easy to carry on the trail. Whether you're camping in mild summer conditions or tackling freezing alpine environments, there's a model to suit your adventure and the conditions ahead. Both sleeping bags are ISO temperature tested to provide dependable performance when you need it most.

Product Features

Explorer Down Sleeping Bag

• Responsibly Sourced Goose Down: 92/8 down blend for lightweight insulation
• 3-Season Summer Focus: Best suited for warm to mild conditions
• Wall-Channel Quilting: Improves heat retention and prevents cold spots
• Contoured Cowl Hood: Helps trap heat around the head and upper body
• Foot-Friendly Zip System: Easier movement and ventilation control
• Internal Storage Pocket: Keeps valuables safe inside the bag
• Super Compact Design: Packs down small for travel and backpacking
• ISO Tested Performance: Certified temperature rating standards

Amplify Down 900 Sleeping Bag

• Premium Goose Down Insulation: High-loft 650 fill power for superior warmth-to-weight ratio
• Extreme Cold Rating Design: Built for sub-zero expedition conditions
• Draft Collar System: Locks in heat and prevents cold air entry
• Differential Cut Construction: The outer shell is larger than the inner lining for maximum loft
• Elastic Amplify Stitching: Expands with movement while reducing heat loss in key zones
• Internal Security Pocket: Store valuables, phone, or batteries safely
• Heat Retention Layer: Reflective inner construction improves thermal efficiency
• Mummy Shape Design: Reduces air space for faster heat retention
• Responsibly Sourced Down: Ethical insulation fill
• ISO Tested Performance: Certified temperature performance standards

Product Specifications

Explorer Down Sleeping Bag

Temperature Ratings

• Comfort Rating: 5°C
• Transition Rating: 0°C
• Extreme Rating: -10°C

Weight

• Weight: ±1.0 kg

Dimensions & Pack Size

• Dimensions (laid out): 210 × 82 / 58 cm
• Packed Size: 18 × 35 cm

Materials & Fill

• Insulation: 92/8 responsibly sourced goose down
• Fill Power: 650 FP
• Fabric: Lightweight Microtex ripstop nylon
• Construction: Baffle-style channel quilting for even heat distribution

Best Use

• Summer camping
• Backpacking & hiking
• Travel sleeping system
• Mild winter conditions (with liner)
• Zipper:
  • Left-handed
  • Right-handed
• Warranty: 6 months

Amplify Down 900 Sleeping Bag

Temperature Ratings

• Comfort Rating: -8°C
• Transition/Limit Rating: -15°C
• Extreme Survival Rating: -36°C (survival-only condition)

Weight

• Total Weight: ~1.7 kg

Dimensions & Pack Size

• Dimensions (laid flat): 220 × 80 / 55 cm
• Packed Size: 22 × 39 cm

Materials & Fill

• Insulation Type: Goose down (92/8 blend)
• Fill Power: 650 FP
• Shell Construction: Lightweight ripstop nylon outer
• Inner Lining: Soft-touch polyester
• Design Focus: Loft retention + thermal efficiency
• Zipper:
  • Left-handed
  • Right-handed

Intended Use

• Expedition hiking
• High-altitude trekking
• Cold-weather camping
• Multi-day mountain travel
• Warranty: 6 months

What's in the Box?

• 1x Explorer or Amplify Down Sleeping Bag