The Spark Ultralight Sleeping Bag delivers exceptional warmth in a compact, 510g design. Ideal for ultralight backpacking, it's rated for -1°C conditions.

Features List:

• RDS-certified, 850+ loft Ultra-Dry Goose Down insulation for water resistance.

• 10-Denier Nylon shell, lining, and waterproof-breathable hood and footbox.

• Mummy fit with generous footbox and technical hood for thermal efficiency.

• QuiltLock System integration and draft collar for added warmth.

• 1/2 length #5 zip with zip-plow and two sliders for easy access.