Ultralight and super-compact with 850+ ULTRA-DRY Down
The Spark 40F is an ultralight down bag that packs down super-small for use as a liner or standalone summer bag. The Spark uses premium materials, including ULTRA-DRY Down 850+ Loft Loft, and no-frills design to provide cutting-edge performance for backpacking, bikepacking, and travel. Ultralight does not mean ultra-tight: The Spark sleeping bags are snug but still have adequate girth for the performance-oriented backcountry user.
• 10D shell and 7D liner materials help to achieve the incredible lightweight and compact packed size
• Sewn-through construction minimizes weight
• Vertical baffles on chest optimize position of down to prevent it moving during use
• 1/2 zip with single slider keeps weight to a minimum
• Updated sizing provides extra room for both shoulders and hips while maintaining insulation efficiency
• Includes lightweight Ultra-Sil™ compression bag and storage cell

























Reviews
There are no reviews yet.