Skip to content
Skip to navigation
Buy now, pay later. Learn more.
Sleep week is here: up to 50% off >
Big splash event: up to 40% off >
See our 2024 sustainability initiatives >
Spring savings: up to 60% off >
Français
Account
Help
Cart
Deals
New arrivals
Gear
Women
Men
Kids
Footwear
Brands
About us
Hike & camp
Water
Climb
Cycle
Run & fitness
Travel
Packs
Electronics
Snowsports
Home
Products
Base Layer Week
Category
Camping and hiking
(34)
Clothing
(33)
Ski and snowsports
(32)
Climbing
(25)
Kids
(9)
Current Offers
clearance
160
More
Gender
womens
141
mens
121
kids
72
More
Brand
MEC
295
Kombi
39
More
Ideal for
Camping and hiking
312
Casual wear
23
Alpine climbing and mountaineering
262
Snowsports
241
Running, fitness and training
76
Snow and ice climbing
17
More
Price
All
Under $25.00
$25.00 - $50.00
$50.00 - $100.00
$100.00 - $200.00
$200.00 - $500.00
$500.00 - $1,000.00
$1,000.00 - $2,500.00
$2,500.00 & Up
$
-
$
Go
Customer Rating
(17)
(12)
(3)
(6)
Clear
Colour
Show colour information
Clear
Features
Hood
3
Antimicrobial treatment
92
Gusseted crotch
86
More
categories.lvl1
More
categories.lvl2
More
categories.lvl3
More
categories.lvl4
More
categories.lvl5
More
categories.lvl6
More
categories.lvl7
More
Men's Shoe Size
More
Women's Shoe Size
More
Men's Clothing Sizes
Large
32
Medium
28
Small
26
X-Large
22
XX-Large
13
More
Women's Clothing Sizes
Medium
49
Small
48
Large
47
X-Large
36
X-Small
21
XX-Large
14
3
10
1X
10
2X
10
4X
10
More
Kids' Clothing Size
Small
6
Medium
6
More
Product sustainability
Recycled content
234
Bluesign® Approved Material
51
Preferred Lyocell
6
More
See results
25% off select styles
It's the best time of year to cover your bases. Save while you can until November 12.
Women's
Men's
Kids'
Showing 44 results
Filter
Sort by
Popularity
Price: Low to high
Price: High to low
Top rated
(2)
MEC T1 Merino Base Layer Short Sleeve Top - Women's
$69.95
Compare
(5)
MEC T0 Base Layer Long Sleeve Top - Men's
$49.95
Compare
(5)
MEC T0 Base Layer Bottoms - Men's
$49.95
Compare
SAVE 40%
(0)
Kombi RedHEAT Active Zip Top - Men's
$47.97
$79.95
Compare
SAVE 50%
(1)
Kombi Merino Mix Active Long Bottoms - Women's
$32.47
$64.95
Compare
(2)
MEC T0 Base Layer Short Sleeve Top - Men's
$39.95
Compare
(7)
MEC T2 Merino Base Layer Long Sleeve Top - Men's
$99.95
Compare
(4)
MEC T2 Merino Base Layer Bottoms - Men's
$99.95
Compare
(1)
MEC T1 Merino Baselayer Short Sleeve Top - Men's
$69.95
Compare
(1)
MEC T2 Merino Base Layer Bottoms - Women's
$99.95
Compare
(6)
MEC T2 Merino Base Layer Long Sleeve Top - Women's
$99.95
Plus Size Available
Compare
(4)
MEC T0 Base Layer Bottoms - Women's
$49.95
Compare
(5)
MEC T0 Base Layer Long Sleeve Top - Women's
$49.95
Plus Size Available
Compare
(0)
MEC T0 Base Layer Short Sleeve Top - Women's
$39.95
Compare
SAVE 50%
(1)
MEC T2 Base Layer Bottoms - Youths
$22.47
$44.95
Compare
(1)
MEC T2 Merino Base Layer Long Sleeve Top - Children
$49.95
Compare
(3)
MEC T2 Merino Base Layer Long Sleeve Top - Youths
$69.95
Compare
(2)
MEC T2 Merino Base Layer Bottoms - Youths
$69.95
Compare
(1)
MEC T2 Merino Base Layer Bottoms - Children
$49.95
Compare
SAVE 40%
(0)
MEC T3 Warmest Base Layer Long Sleeve Top - Women's
$41.97
$69.95
Compare
SAVE 40%
(1)
MEC T3 Warmest Base Layer 1/4 Zip Long Sleeve Top - Women's
$47.97
$79.95
Compare
SAVE 40%
(3)
MEC T3 Merino Base Layer Long Sleeve Top - Women's
$65.97
$109.95
Compare
SAVE 40%
(5)
MEC T3 Merino Base Layer Bottoms - Women's
$65.97
$109.95
Compare
SAVE 40%
(1)
MEC T3 Merino Base Layer 1/4 Zip Long Sleeve Top - Women's
$71.97
$119.95
Compare
SAVE 50%
(4)
MEC T1 Merino Base Layer Long Sleeve Top - Women's
$39.97
$79.95
Compare
SAVE 50%
(2)
MEC T3 Warmest Base Layer Long Sleeve Top - Men's
$34.97
$69.95
Compare
SAVE 50%
(3)
MEC T3 Warmest Base Layer Bottoms - Men's
$34.97
$69.95
Compare
SAVE 50%
(4)
MEC T2 Base Layer Bottoms - Men's
$29.97
$59.95
Compare
SAVE 40%
(5)
MEC T3 Merino Base Layer Long Sleeve Top - Men's
$65.97
$109.95
Compare
SAVE 40%
(5)
MEC T3 Merino Base Layer Bottoms - Men's
$65.97
$109.95
Compare
SAVE 40%
(4)
MEC T3 Merino Base Layer 1/4 Zip Long Sleeve Top - Men's
$71.97
$119.95
Compare
SAVE 40%
(1)
Kombi RedHEAT Active Crew Top - Women's
$41.97
$69.95
Compare
SAVE 40%
(0)
Kombi RedHEAT Active Long Bottoms - Men's
$41.97
$69.95
Compare
SAVE 40%
(3)
Kombi RedHEAT Active Crew Top - Men's
$41.97
$69.95
Compare
SAVE 50%
(1)
Kombi B3 Velvet Fleece Set - Children
$42.47
$84.95
Compare
SAVE 40%
(1)
Kombi Merino Mix Active Crew Top - Men's
$38.97
$64.95
Compare
SAVE 50%
(0)
Kombi Merino Mix Pro Crew Top - Children to Youths
$32.47
$64.95
Compare
SAVE 50%
(0)
Kombi Merino Mix Pro Long Bottoms - Children to Youths
$32.47
$64.95
Compare
SAVE 40%
(1)
MEC T2 Merino Base Layer Hooded - Men's
$71.97
$119.95
Compare
SAVE 50%
(2)
MEC T3 Warmest Base Layer Bottoms - Women's
$34.97
$69.95
Compare
SAVE 50%
(1)
MEC T2 Base Layer Bottoms - Women's
$29.97
$59.95
Compare
SAVE 50%
(1)
MEC T2 Base Layer Long Sleeve Top - Youths
$22.47
$44.95
Compare
SAVE 40%
(1)
MEC T2 Merino Base Layer 1/4 Zip Long Sleeve Top - Women's
$65.97
$109.95
Compare
SAVE 40%
(5)
MEC Merino T2 Hooded - Women's
$71.97
$119.95
Compare
‹
1
›
Compare (0)
Remove all
Compare