Sea To Summit Spark Ultralight Sleeping Bag (Grey/Yellow) (Regular) (28°F)

The Spark Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use. Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate girth for the performance-oriented backcountry user.

Features:

• Designed to be used for ultralight backpacking 
• Ultra-Dry Down 850+
• Certified responsible down standard 
• 10D shell and 7D liner materials come together to produce an incredible lightweight and compact size
• Includes lightweight Ultra-Sil compression sack
• 1/3-length side zipper
• Torso and leg baffling for a comfort rating from 28°F-60°F