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Base Layer

40 products
Discover essential comfort and performance with Campmor's base layers. Shop our selection of high-quality base layers to stay warm, dry, and comfortable on your outdoor adventures. Find the perfect foundation for your next journey today!
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Featured Products
Hydro Flask 32 oz All Around Travel Tumbler Hydro Flask 32 oz All Around Travel Tumbler
+8
+7
+6
+5
+4
+3
$34.95
$34.95
Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, ev...
50% Off
Patagonia Womens Down Sweater Patagonia Womens Down Sweater
+6
+5
+4
+3
+2
+1
from $139.50
from $139.50
$279.00
The perfect warmth for just about everything, our classic, newly redesigned Down Sweater is lightweight and windproof with a shell made of NetPlus® 100% postconsumer recycled nylon ripstop made fro...
50% Off
Patagonia Men's Lightweight Synch Snap-T Pullover Patagonia Men's Lightweight Synch Snap-T Pullover
+8
+7
+6
+5
+4
+3
from $69.50
from $69.50
$139.00
A lightweight version of our classic Snap-T® Pullover made with warm and durable midweight recycled polyester fleece. Fair Trade Certified™ sewn.87% of our line uses recycled materials. 10...
Yeti Yonder 1L / 34 oz Water Bottle Yeti Yonder 1L / 34 oz Water Bottle
+5
+4
+3
+2
+1
$28.00
$28.00
If you can get there, now your water can too. The YETI® Yonder™ 1L / 34oz Non-Insulated Water Bottle was strategically engineered to be both lightweight and shatter resistant, allowing you...
33% Off
Terramar 2.0 Thermolator II CS Midweight Pants - Men's Terramar 2.0 Thermolator II CS Midweight Pants - Men's
+4
+3
+2
+1
$29.99
$29.99
$45.00
A midweight, extremely comfortable, brushed polyester spandex pant with four-way stretch for unrestricted movement, and Climasense thermoregulation comfort. The Terramar Men's 2.0 Thermolator II CS...
33% Off
Terramar 2.0 Cloud Nine CS Midweight Pants - Women's Terramar 2.0 Cloud Nine CS Midweight Pants - Women's
+4
+3
+2
+1
$29.99
$29.99
$45.00
With unsurpassed comfort, the Terramar Women's 2.0 Cloud Nine Pants are the ultimate midweight base layer. With relaxed fitting spandex construction, coupled with soft, brushed polyester, these wil...
33% Off
Terramar ThermaSilk CS Pointelle Silk Lightweight Pants - Women's Terramar ThermaSilk CS Pointelle Silk Lightweight Pants - Women's
+3
+2
+1
$40.20
$40.20
$60.00
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...
33% Off
Terramar ThermaSilk CS Silk Lightweight Pants - Men's Terramar ThermaSilk CS Silk Lightweight Pants - Men's
+3
+2
+1
$40.20
$40.20
$60.00
Over forty years ago Terramar was the first company to introduce pure silk performance base layer products. Today, Thermasilk is still the standard for people wanting a natural and breathable gar...
34% Off
Terramar EC2 Military Fleece Expedition Weight Pants - Men's Terramar EC2 Military Fleece Expedition Weight Pants - Men's
+3
+2
+1
$22.99
$22.99
$35.00
The Terramar Men's Military Fleece Expedition Weight Pants, with ec2® Qwik-Dri™ Thermoregulation Comfort Technology, are an ideal base layer choice for those blustery cold days of winter when the t...
25% Off
Terramar Free Ride 2-Piece Set - Kid's Terramar Free Ride 2-Piece Set - Kid's
+3
+2
+1
$29.99
$29.99
$40.00
Terramar Kid's Free Ride 2-Piece Set is a midweight 2.0 base layer for your kids. Great all around base layer for average winter temperatures for your active kids. The Free Ride uses Terramar's Cli...
25% Off
Terramar Women's Altitude Leggings Terramar Women's Altitude Leggings
+3
+2
+1
$14.99
$14.99
$20.00
Our Terramar Everyday Essentials Leggings are a great combination of comfort and warmth. Seamlessly made, these leggings are brushed on the inside and are a heavier weight making them perfect for ...
18% Off
Terramar Ecolator CS 3.0 Fly Front Fleece Pants - Men's
$44.99
$44.99
$55.00
The Terramar Men's Ecolator CS 3.0 Fly Front Fleece Pants are made from heavyweight grid fleece and are perfect as a temperature regulation layer. Featuring Climasense fabric treatment for a bette...
21% Off
Terramar Thermawool CS 3.0 Pants - Men's
+2
+1
$54.99
$54.99
$70.00
Terramar's Thermawool CS 3.0 Pants for Men represent their highest thermal rating and are the optimal choice for regulating temperature. These pants are constructed with a blend of Micro Polyester ...
29% Off
Terramar 3.0 Thermawool Pant - Women's Terramar 3.0 Thermawool Pant - Women's
+2
+1
$49.99
$49.99
$70.00
The Women's Terramar 3.0 Thermawool Pant are what you will want for toasty legs this winter. The Thermawool pants use Terramars thermoregulating Climasense technology to manage moisture and heat to...
25% Off
Coldpruf Platinum II Midweight Underwear Pants - Men's
+2
+1
$29.99
$29.99
$40.00
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...
33% Off
Terramar Ultra Merino Pant 2.0 - Men's Terramar Ultra Merino Pant 2.0 - Men's
+2
+1
$46.90
$46.90
$70.00
This mid-weight, duo layer pant, 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 ...
SmartWool Merino 250 Baselayer Bottom - Men's SmartWool Merino 250 Baselayer Bottom - Men's
+2
+1
$115.00
$115.00
We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level fo...
27% Off
Terramar Below Zero 3.0 Pant - Women's Terramar Below Zero 3.0 Pant - Women's
+3
+2
+1
$39.99
$39.99
$55.00
The Below Zero Performance Tight is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in all directions. The smooth face of the fabric i...
21% Off
Terramar Genesis Fleece Pant - Kid's
$25.99
$25.99
$33.00
Terramar Kid's Genesis Fleece Pant is great when your kids will be out in real cold weather. A expedition Wt. 4.0 base layer made from Terramar's Climasense polyester fabric which manages tempe...
50% Off
Terramar Ultra Merino 2.0 Pants - Women's Terramar Ultra Merino 2.0 Pants - Women's
+4
+3
+2
+1
from $35.00
from $35.00
$70.00
This mid-weight, duo layer pant, 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...
13% Off
Terramar Transport Pant - Men's Terramar Transport Pant - Men's
$25.99
$25.99
$30.00
The Terramar Men's Transport Pant are the light weight high energy base layer you want when you want to cut the shill and keep the sea down. These Transport pants are made with Terramars Transport ...
29% Off
Terramar Transport +1.0 Lightweight Pant - Women's
$24.99
$24.99
$35.00
The Terramar Women’s Transport® +1.0 Pants excel as a breathable, lightweight layering piece with optimal moisture and temperature management so you feel comfortable wherever you may roam. A wide w...
53% Off
Terramar Cloud Nine Print Pants - Women's Terramar Cloud Nine Print Pants - Women's
+3
+2
+1
from $21.00
from $21.00
$45.00
The Cloud Nine Performance Tight is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft, midweight fabric utilizing our fea...
Smartwool Men's Classic All-Season Merino Base Layer Bottom Smartwool Men's Classic All-Season Merino Base Layer Bottom
+2
+1
$85.00
$85.00
A year-round favorite, our Merino 150 Base Layer Bottoms work hard to keep you comfortable everywhere, from the ski lifts to the campsite. With an updated fit to improve functionality while enhan...
23% Off
Terramar ThermaSilk CS Silk Lightweight Tall Pants - Men's Terramar ThermaSilk CS Silk Lightweight Tall Pants - 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...
25% Off
Coldpruf Platinum Mid Weight Pants - Women's Coldpruf Platinum Mid Weight Pants - Women's
$29.99
$29.99
$40.00
The Platinum two layer garment has been specifically engineered with our ColdPruf technology to trap air between the layers of fabric to provide a natural warmth shield. The Platinum offers the des...
30% Off
Terramar EC2 Military Fleece Expedition Weight Tall Pants - Men's Terramar EC2 Military Fleece Expedition Weight Tall Pants - Men's
+2
+1
$27.99
$27.99
$40.00
The Terramar Men's Military Fleece Expedition Weight Tall Pants, with ec2® Qwik-Dri™ Thermoregulation Comfort Technology, are an ideal baselayer choice for those blustery cold days of winter when t...
27% Off
Coldpruf Platinum II Midweight Underwear Pants - Men's Tall Coldpruf Platinum II Midweight Underwear Pants - 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...
25% Off
Terramar Thermafleece 2-Piece Set - Toddler's Terramar Thermafleece 2-Piece Set - Toddler's
+2
+1
$29.99
$29.99
$40.00
Your Toddler is always on the go. No reason to stop when the weather turns cold. Dress your toddler in the Terramar Thermafleece 2-Piece Set. A 4.0 the warmest base layer available through Terramar...
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...
27% Off
Terramar 4.0 Kids Thermafleece 2-Piece Set
$32.99
$32.99
$45.00
Designed for ultra-warmth, our toddler Thermafleece is a double-sided traditional fleece for extra warmth and insolation during those cold outdoor adventures. Set comes with a crew neck top and pan...
25% Off
Terramar 2.0 Men's Thermolator Performance 3/4 Pant Terramar 2.0 Men's Thermolator Performance 3/4 Pant
$29.99
$29.99
$40.00
The Thermolator® 3/4 Pant is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft, mid-weight fabric utilizing our features Cl...
Patagonia Men's Capilene Midweight Bottoms Patagonia Men'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® Pu...
27% Off
Terramar Men's All Season Merino 1.0 Pant
$39.99
$39.99
$55.00
Our 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 a wide ...
Coldpruf Wool Plus Men's Pant
+2
+1
$32.00
$32.00
Two-Layer engineering Traps air between layers providing a natural barrier of warmth More Merino wool for extra warmth Inside Layer: 100% combed ring spun cotton Outside Layer: 50% combed ring spu...
33% Off
Terramar Genesis Fleece Pant - Toddler's
$19.99
$19.99
$30.00
Terramar Toddler Genesis Fleece Pant is great when your little one wants be out in real cold weather. A expedition Wt. 4.0 base layer made from Terramar's Climasense polyester fabric which mana...
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 ...
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 ...
20% Off
Terramar Women's Heritage Fleece Pants Terramar Women's Heritage Fleece Pants
$40.00
$40.00
$50.00
Experience the perfect blend of comfort and style with our Terramar Women's Heritage Fleece Pants. Crafted with meticulous attention to detail and designed to elevate your everyday wardrobe, these ...
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...
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...
Smartwool Women's Classic All-Season Merino Base Layer Bottom Smartwool Women's Classic All-Season Merino Base Layer Bottom
$90.00
$90.00
Our Women's Classic All-Season Merino Base Layer Bottoms are the perfect layer to put on for your warm-weather adventures. Made of lightweight, breathable Merino, these base layer pants have an upd...