Sleeping Bags * | Sea To Summit Spark Spi 40F

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.

Other Features: Ultra-Dry Down 850+ Loft 90% Down Cluster Premium Duck Down Certified Responsible Down Standard (Rds)
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