Spark Ultralight 40F Sleeping Bag
Tech Specs
BrandSea to Summit
Best UseBackpacking
Tested Lower Limit40 degrees (F) - EN
Tested Comfort48 degrees (F) - EN
Temperature Rating (F)40 degrees (F)
Temperature Rating (C)5 degrees (C)
WeightRegular: 12 ounces
UltralightYes
Shell10-denier nylon
Zipper LocationLeft
Insulation TypeDown
Water-Resistant DownYes
Fill850+ UltraDry Down
Fill WeightRegular: 6 ounces
Lining7-denier nylon
Sleeping Bag ShapeMummy
Fits Up To (in.)Regular: 72 inches
Shoulder Girth (in.)Regular: 59 inches
Hip Girth (in.)Regular: 51 inches
Stuff Sack SizeUnavailable
Stuff Sack VolumeUnavailable
Compressed VolumeUnavailable
GenderUnisex
SustainabilityDown certified to the Responsible Down Standard (RDS)
Description
Lightweight and technical, the Sea to Summit Spark Ultralight 40F sleeping bag is designed to keep you as warm as possible while minimizing packed weight and size.
Features
- Superlight 7-denier and 10-denier fabrics offer minimal weight and packed size
- 850+ fill-power Premium Goose UltraDry Down™ certified to the Responsible Down Standard (RDS) and provides maximum insulation value
- Contoured mummy shape provides comfort and efficient insulation
- Vertical chest baffles prevent down migration
- Note: This bag is not designed to zip with another