Sierra Designs · Sleeping Bags
The Synthesis 20 Sleeping Bag offers 20°F synthetic insulation suitable for 3-season backpacking and camping. It features SierraLoft™ insulation that retains warmth when wet, dual zippers for easy access and ventilation, a self-sealing foot vent for temperature control, and a draft collar to block cold air. The lightweight 20D nylon ripstop shell is durable and packable, with a cinching hood for heat retention and a DWR treatment to resist moisture.