Search results for Alpine Jackets and Pants are below:

http://nwalpine.com/

DESIGNED BY AND FOR PASSIONATE CLIMBERS. CLOTHING BUILT FOR THE Alpine - Go farther, faster and higher in greater comfort than ever before. The 4.5 ounce (that's not a typo) Eyebright Jacket is the newest evolution of our ultralight waterproof/breathable shell made from Dyneema® Composite Fabrics. And it's laser cut and handmade right here in Oregon. -NWALPINE

MADE LOCALLY, WORN GLOBALLY. -NWALPINE

http://www.nunatakusa.com/

Nunatak Gear is dedicated to the design and manufacturing of quality ultralight sleeping bags and lightweight down Jackets utilizing 900 or better goose down and sophisticated shell fabrics. Nunatak was founded in the winter of 1999 and run by seasoned backcountry folks who've logged countless days in the wilderness. -Nunatak

Nunatak is designed and manufactured by backcountry specialists in the U.S.A. -Nunatak

http://www.westernmountaineering.com/

A dedicated search for the finest raw materials, meticulous design and unsurpassed workmanship have come together to provide you the highest quality sleeping bags available anywhere. With an offering of over 30 different models, Western Mountaineering can provide you a sleeping bag for any event, outing, or expedition requiring the lightest and warmest bags. -Western Mountaineering

We make all of our sleeping bags in our factory in San Jose and are here to give our customers the quality they want with Made in USA pride. -Western Mountaineering

http://raggedmountain.com/

MADE IN USA -Ragged Mountain Equipment

http://www.wildthingsgear.com/

Wild Things has earned a reputation for tough, lightweight technical outerwear, Alpine-style backpacks, durable haul–bags, and innovative tactical and military clothing. Our products are currently in the field with every branch of the U.S. Armed Forces and often tailored for mission-specific goals. -Wild Things

Wild Things benefits from a long tradition of technical clothing production in northern New England and over the past 35 years we have built a world-class facility – with the employees, equipment and processes necessary to make the best technical clothing made in the USA. -Wild Things

http://featheredfriends.com/

Over the last four decades Feathered Friends has become the standard in quality, long lasting, and high performing down gear for expeditions and adventures. Each of our products unites our legacy of handmade construction techniques with the advancements of modern fabric technologies. The result is gear that excels in all conditions, from a cozy chair in your home to the summit of Mount Everest. -Feathered Friends

In 2015, we moved our production to a new facility in the SODO neighborhood of Seattle, Washington. With this newer, larger production facility, we are expanding our ability to make the best possible down products right here in the great state of Washington -Feathered Friends

◊ Note-> Their website has additional products in 'Gear' and 'Footwear' that they do not manufacture -- these non-down based items from other companies may not be USA manufactured.