Windproof and water-resistant, the Nano Puff® Jacket is warm, incredibly lightweight, highly compressible and can be worn as insulation or outerwear in cold climates.

The Patagonia Down Sweater Jacket is light and windproof, the Down Sweater is made of 100% recycled polyester and insultated with warm, highly compressible 800-fill power goose down. It can be worn as a midlayer or outerwear in cold climates. Works great under a shell jacket.

Ideal for ambitious days when the mercury plummets, this warm mid-layer features composite materials that provide balanced warmth and breathability.

Montane's Flux Insulated Jacket packs 100g and 60g PRIMALOFT® ECO insulation for warmth even when soaking wet. And any time you're heading into the unexpected, bring the Flux as your insulation piece of choice for the best in warmth at a modest weight. The Flux jacket is super packable and encased in PERTEX® Microlight for exceptional wind resistance and quick-drying in the field.

Outdoor Research Foray Men's Jacket is a lightweight all-season jacket. Constructed of GORE-TEX® Paclite, this waterproof/breathable jacket allows you to weather the storm.

The North Face Verto Pro Men's Jacket is a step up from your average wind shell. We all know wind is the greatest danger to outdoor lovers.

The Patagnoia Nan Storm Insulated jacket is offers a 2.5-layer waterproof/breathable barrier, bonded to the nylon ripstop shell, protects the PrimaLoft® One insulation, doing double-duty to keep you warm in even the most drenching and frigid conditions; the fully adjustable, helmet-compatible hood has a laminated visor to help you see through the tempest.

You'll throw out your current down jacket when you see this. The Mountain Hardwear Men's Ghost Whisperer Hooded Down Jacket tops the scales at 7 oz. That weighs less than the lint in my pocket. This little ditty is made of rip-stop nylon and insulated with 850-fill power goose down for the best in superlight, packable design that provides an incredible warmth to weight ratio for anyone who spends their days on the outside.