If your trek includes snow, Merino Heavyweight Bottoms from Sitka will keep you warm and dry.

5 out of 5 Customer Rating
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100% Customer Satisfaction

has been our commitment since 1856. It’s who we are. If you aren’t happy with a product or service, we want to know about it. And we’ll make it right. That’s the Orvis Way.

  • Naturally moisture-wicking and breathable merino wool
  • Will keep you comfortable in a range of waterfowl scenarios
  • OPTIFADE™ marsh camo pattern
  • Merino wool is naturally odor-resistant
  • Soft, polyester backing for a great feel against your skin

The Story

A highly insulating, breathable, stretchy, and naturally odor-resistant base layer that will keep you warm and comfortable when the mercury drops. The premium 17.5-micron merino wool face is backed by a soft polyester interior that feels great against your skin. Merino is an excellent choice for sportsmen, as it regulates body temperature and is naturally odor-resistant. In OPTIFADE™ Marsh.

Merino wool/polyester/nylon. Washable. Imported.

Sizes S-XXL.

Rated 5 out of 5 by from Great product at a reasonable price. Pound for pound, the warmest and lightwst undergarment made!!
Date published: 2020-05-15
Rated 5 out of 5 by from Comfortable and warm! I am an older hunter and can not tolerate cold weather well. I purchases the Sitka Merino Heavyweight under layer for additional protection against cold. This product haas a good fit, is warm, and comfortable.
Date published: 2019-01-09
Rated 5 out of 5 by from Sitka merino long underwear These are really awesome! The fit nice and snug and don’t itch at all being wool! Not bulky either but really a nice warm base layer! I love them when hunting! They layer so well with the Hudson bibs and Hudson jacket!
Date published: 2018-12-25
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