Base Layers, Thermal Underwear & Long Underwear | REI Co-op
Shop for Base Layers at REI - Browse our extensive selection of trusted outdoor brands and high-quality recreation gear. Top quality, great selection and expert advice you can trust. 100% Satisfaction …
Men's Long Underwear, Base Layers & Thermal Underwear | REI Co-op
Shop for Men's Base Layers at REI - Browse our extensive selection of trusted outdoor brands and high-quality recreation gear. Top quality, great selection and expert advice you can trust. 100% …
Men's Base Layer Bottoms & Thermal Underwear | REI Co-op
Shop for Men's Base Layer Bottoms at REI - Browse our extensive selection of trusted outdoor brands and high-quality recreation gear. Top quality, great selection and expert advice you can trust. 100% …
The 5 Best Base Layers of 2025: Staff Picks | REI Expert Advice
Nov 21, 2024 · To pick the best base layers, we asked our crew of REI Co-op staffers for their favorite base layers sold at REI. We then read through dozens of customer reviews on REI.com and spoke …
Base Layers: Sale, Clearance & Outlet | REI Co-op
Shop for Base Layers on sale, discount and clearance at REI. Find a great deal on Base Layers. 100% Satisfaction Guarantee
How to Choose Base Layers & Long Underwear | REI Expert Advice
Aug 1, 2024 · Choosing the right long underwear (base layer) is essential—learn how moisture-wicking materials, fabric weight and fit affect comfort in the outdoors.
Merino Wool Men's Base Layers - REI Co-op
Shop for Merino Wool Men's Base Layers at REI - Browse our extensive selection of trusted outdoor brands and high-quality recreation gear. Top quality, great selection and expert advice you can trust. …
Women's Base Layers | REI Co-op
Shop for Women's Base Layers at REI - Browse our extensive selection of trusted outdoor brands and high-quality recreation gear. Top quality, great selection and expert advice you can trust. 100% …
Classic Thermal Merino Crew Base Layer Top - Women's
Delivering exceptional performance and improved functionality, the women's Smartwool Classic Thermal Merino crew base layer top maintains your warmth and comfort as you hike, ski, bike and more.
Classic Thermal Merino Crew Base Layer Top - Men's - REI Co-op
Made from premium merino wool, the Smartwool Classic Thermal Merino Crew base layer top helps regulate your temperature and keep you warm while hiking or skiing in cold weather.