For cold weather backcountry overnights, the ultralight Cal 6 has you covered. Featuring patented InsoTect Flow baffles insulated with DriDown hydrophobic down insulation and 10D nylon ripstop shell and liner, the Cal 6 is feathery-light, warm, and compressible, offering outstanding performance in damp, humid, snowy environments.Read more
Simply put, DriDown represents the evolution of down insulation. Regular down is treated with a molecular level polymer to create a hydrophobic finish on each individual down plume. This finish allows DriDown to stay dry longer, loft better, and dry faster than untreated down, keeping you warmer in any environment.