shipping icon

pickup icon

Save $20 on $100 or more*

*Free Shipping on orders over $49.00

Base Layer

75 products
Clear all
main category Show all main category
Category Show all Category
product Show all product
brand Show all brand
inseam Show all inseam
features Show all features
gender Show all gender
size Show all size
sleeve Show all sleeve
Deal Show all Deal
23% Off
Terramar ThermaSilk CS Silk Lightweight Long Sleeve Tall Crew Shirt - Men's
$49.99
$49.99
$65.00
The Miracle of SilkAfter 4000 years, nature and science have joined forces to produce silk long underwear which can help thermo-regulate the body's temperature and dramatically speed up the dispers...
53% Off
Terramar Ultra Merino 1/2 Zip Shirt 2.0 - Women's Terramar Ultra Merino 1/2 Zip Shirt 2.0 - Women's
+4
+3
+2
+1
from $35.00
from $35.00
$75.00
This mid-weight, duo layer crew, consists of a fully synthetic inside and Merino blend face. Our bi-layer construction, creates an air pocket in-between both layers for additional insulation and ...
29% Off
Terramar Ultra Merino 2.0 Scoop Neck Shirt - Women's Terramar Ultra Merino 2.0 Scoop Neck Shirt - Women's
+4
+3
+2
+1
$49.99
$49.99
$70.00
This mid-weight, duo layer crew, consists of a fully synthetic inside and Merino blend face. Our bi-layer construction, creates an air pocket in-between both layers for additional insulation and ...
27% Off
Coldpruf Platinum II Midweight Underwear Crew Shirt - Men's Tall Coldpruf Platinum II Midweight Underwear Crew Shirt - Men's Tall
+2
+1
$32.99
$32.99
$45.00
Your TRUSTED base layer REBUILT for the MODERN ADVENTURE. Inside Layer: 100% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness Outside Layer: 70% polyester / 30% MERINO WOOL...
20% Off
Terramar Ultra Merino 1/2 Zip Shirt 2.0 - Men's Terramar Ultra Merino 1/2 Zip Shirt 2.0 - Men's
+2
+1
$59.99
$59.99
$75.00
This mid-weight, duo layer crew, consists of a fully synthetic inside and Merino blend face. Our bi-layer construction, creates an air pocket in-between both layers for additional insulation and th...
25% Off
Terramar 4.0 Men's Beast Performance Pant
$44.99
$44.99
$60.00
If you are looking for ultra-warmth, the Beast is for you! This full-length pant has a smooth face on the outside of the top for easy layering and brushed ultra-high pile sherpa fleece on the insid...
Smartwool Women's Classic Thermal Merino Base Layer Bottom Smartwool Women's Classic Thermal Merino Base Layer Bottom
$115.00
$115.00
100% Merino. 100% capable. Our Women's Merino Base Layer Bottom is always ready for what's ahead and what's next. With a fit updated to improve functionality while enhancing aesthetics for a ran...
30% Off
Patagonia Women's Capilene Midweight Crew Patagonia Women's Capilene Midweight Crew
+5
+4
+3
+2
+1
from $55.30
from $55.30
$79.00
A classic, all-around polyester baselayer made with 50-100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture a...
20% Off
Terramar Women's Thermasilk 1.0 Camisole Terramar Women's Thermasilk 1.0 Camisole
+2
+1
$39.99
$39.99
$50.00
Over forty years ago Terramar was the first company to introduce silk performance base layer products. Thermasilk® is still going strong. The Jersey V-Neck Cami offers a natural super soft touch an...
Smartwool Women's Classic All-Season Merino Base Layer Long Sleeve Shirt Smartwool Women's Classic All-Season Merino Base Layer Long Sleeve Shirt
+2
+1
$90.00
$90.00
An all-season favorite, the Women's Classic All-Season Merino Base Layer Long Sleeve can be sported as a base layer in the fall or summer when it's time to go backpacking. This base layer features ...
Patagonia Women's Capilene Midweight Zip Neck Patagonia Women's Capilene Midweight Zip Neck
$89.00
$89.00
A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Pu...
9% Off
Terramar Men's All Season Merino 1.0 Crew Shirt
$49.99
$49.99
$55.00
Our All Season Merino Crew blended fabric construction is soft against the skin and provides a quick-drying warm feel. Ideal as a lightweight first layer that performs over a wide range of activiti...
Smartwool Men's Classic All-Season Merino Base Layer Bottom Smartwool Men's Classic All-Season Merino Base Layer Bottom
$90.00
$90.00
A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the campsite. With an updated fit to improve functionalit...
14% Off
Coldpruf Union Suit Men's One-Piece Suit
$59.99
$59.99
$70.00
Two-layer engineering Traps air between layers providing a natural barrier of warmth Full button front Union Suit with single button rear flap Inside Layer: 100% combed ring spun cotton Outside La...
Patagonia Women's Capilene Midweight Bottoms Patagonia Women's Capilene Midweight Bottoms
$79.00
$79.00
A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® P...
17% Off
Terramar Women's All Season Merino 1.0 Pant Terramar Women's All Season Merino 1.0 Pant
$49.99
$49.99
$60.00
Terramar's All Season Merino Pant features merino lofted fabric which is soft against the skin and provides a quick-drying warmth and comfort. Ideal as a lightweight first layer that performs over ...
59% Off
Terramar Women's All Season Merino 1.0 Crew Shirt
$24.75
$24.75
$60.00
Terramar's All Season Merino Crew blended fabric construction is soft against the skin and provides a quick-drying warm feel. Ideal as a lightweight first layer that performs over a wide range of a...
25% Off
Coldpruf Quest Performance Women's Crew Shirt
$29.99
$29.99
$40.00
The Holy Grail of base layers. Single-layer, jersey knit fabric Fabric Weight: 6.5 oz  Fiber Content: 85% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness / 15% Spandex...
Coldpruf Quest Performance Youth Unisex Pant
$25.00
$25.00
The Holy Grail of base layers. Single-layer, jersey knit fabric Fabric Weight: 6.5 oz  Fiber Content: 85% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness / 15% Spandex ...
Smartwool Kids' Classic Thermal Merino Base Layer Bottom
$65.00
$65.00
Our Kids' Classic Thermal Merino Base Layer Bottom uses our super soft Mid 250 interlock knit—perfect for layering in cool conditions and great for wearing alone on a mild day. Now your kids can be...
40% Off
Smartwool Kids' Classic Thermal Merino Base Layer Crew Smartwool Kids' Classic Thermal Merino Base Layer Crew
+3
+2
+1
$39.00
$39.00
$65.00
Our Kids' Classic Thermal Merino Base Layer Crew is made of 100% responsibly sourced Merino wool to help your little ones stay comfortable on snow days and activities in the mountains. With a flatl...
Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip
+2
+1
$120.00
$120.00
We've updated the fit of our Women's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and one of our best b...
SmartWool Merino 250 Baselayer 1/4 Zip - Men's SmartWool Merino 250 Baselayer 1/4 Zip - Men's
+2
+1
$120.00
$120.00
We've updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weath...
Smartwool Men's Classic Thermal Merino Base Layer 3/4 Bottom Smartwool Men's Classic Thermal Merino Base Layer 3/4 Bottom
$105.00
$105.00
Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate br...