Mountain Hardwear Kelvinator Down Jacket Coat - MensA compressible wonder that offers big jacket warmth, even when its wet. The Kelvinator Jacket dependably delivers high loft and warmth in damp conditions thanks to its water resistant Q. Shield DOWN 650 fill insulation. Despite its big jacket warmth, the highly compressible Kelvinator is designed so efficiently that it stows away in its own pocket for packing.