The Patagonia Men's Primo Down Jacket has been revamped and is lighter and warmer so you can stay outside longer without tiring from the fatigue of wearing a heavy as lead blizzard busting jacket. The Gore Tex shell guarantees waterproof and breathable protection, while 800 fill European goose down provides a high warmth to weight ratio, giving you a lightweight, ultra warm, jacket for even your stupidest winter excursions yes, your mom told us everything. Down remains one of the best insulators when you're faced with extreme cold. Made of feathers and clusters, down creates an intricate lattice in which lots of little air pockets get trapped. The trapped air then acts as a sentry, preventing cold air from penetrating and warm air from escaping. Consequently, thermal regulation is a non issue. If you're anticipating arctic storms, the relaxed fit of the Primo lets you layer as much as needed. With the Primo Down jacket, it's possible you'll feel the heat when you're working hard building a snow cave or skinning up a 10% grade on a frigid dawn patrol unzip the underarm vents for quick cooling. The helmet compatible hood sports a laminated visor, and Touch Point System cord locks make quick adjustments easy. Goose down fills the draft collar at the back of your neck for extra warmth in extra windy conditions. The powder skirt comes off when you're not slaying snow dragons, and a webbing loop connects the Primo Down jacket to any Patagonia snow pant. An internal drop in pocket holds your goggles and gloves when you're reliving the last run of the day over a steaming mug of hot buttered rum.