Copper Spur UL2 Bikepack related-footprint-sarvis-vst-3 the Greystone sleeping bags feature

the Greystone sleeping bags feature 600 fill DownTek™ insulation

Featuring improved insulation that boosts pad warmth and lowers weight

and the lightweight jogger-style design fits in equally well on the trail

Crafted from vacuum-insulated stainless steel

we recommend using a Big Agnes Returns footprint

Copper Spur UL2 Bikepack related-footprint-sarvis-vst-3 the Greystone sleeping bags featureEverything backpackers love about the award winning Copper Spur UL, optimized for pedal powered backcountry adventures. Fully freestanding design provides ultimate stability and interior space, and proprietary ultralight Hyperbead fabric is stronger and more waterproof than ever. Inside, large vestibules and 3D bins turn dead space into useful storage for packs, gear, and accessories. Bikepack specific features like a 12" Shortstik pole set and a