Spark Ultralight Sleeping Bag bike injury prevention optimal ventilation

optimal ventilation

3-year manufacturer warranty on every model

full-size sleep

safeguarding your vehicle's undercarriage

Crafted from robust 3/16" steel plate

Spark Ultralight Sleeping Bag bike injury prevention optimal ventilationEngineered to keep you warm at the lightest weight and smallest compressed size 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. Ultralight does not mean ultra tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance