Spark SPII, -2C / 28F, Long Color:Not Applicable with a wide deck and

with a wide deck and tail making it extremely stable

additional items may be substituted

so the sides of your bottle stay dry

shock-absorbing Vibram® sole construction with lower stack height provides additional stability in rugged terrain

Spark SPII, -2C / 28F, Long Color:Not Applicable with a wide deck andThe Spark Ultralight 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 sleeping bags are snug but still have adequate girth for the performance oriented backcountry user.