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Men's Underwear

Narrow Category:  Men's Boxers & Briefs   Men's Heavyweight Underwear   Men's Lightweight Underwear   Men's Midweight Underwear
OK, it is the underwear section, but let's look at this honestly; this stuff is purely for business. These are the important base layers that will keep you warm out on the trail by way of anti-wicking materials and use of the best quality fabrics. It is super important that you have a really good base layer working for you, especially when things are looking a little chillier out there. We've got some casual pieces and some that are for your more demanding day trips.

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Ex Officio Men's Give-N-Go Boxer 12412171 (Ex Officio)
Patagonia Men's Capilene Midweight Zip-Neck Thermal Shirt 44445 (Patagonia)
Under Armour Men's UA Base 2.0 Crew Neck Long Sleeve Top/Shirt 1281080 (Under Armour)
Ex Officio Men's Give-N-Go Sport Mesh 6" Boxer Brief 12412336 (Ex Officio)
Ex Officio Men's Give-N-Go Boxer
12412171
Patagonia Men's Capilene Midweight Zip-Neck Thermal Shirt
44445
Under Armour Men's UA Base 2.0 Crew Neck Long Sleeve Top/Shirt
1281080
Ex Officio Men's Give-N-Go Sport Mesh 6" Boxer Brief
12412336
$25.95
 
Ex Officio Men's Give-N-Go Boxer 12412171 (Ex Officio)
$69.00
 
Patagonia Men's Capilene Midweight Zip-Neck Thermal Shirt 44445 (Patagonia)
$54.95
 
Under Armour Men's UA Base 2.0 Crew Neck Long Sleeve Top/Shirt 1281080 (Under Armour)
$29.95
 
Ex Officio Men's Give-N-Go Sport Mesh 6" Boxer Brief 12412336 (Ex Officio)
Smartwool Men's NTS Mid 250 Zip T Top NP603 (Smartwool)
The North Face Men's Summit Series L1 Top NF0A2TPU (The North Face)
Patagonia Men's Capilene Midweight Long Underwear Bottoms 44485 (Patagonia)
Patagonia Men's Capilene Lightweight Long Underwear Bottoms 45681 (Patagonia)
Smartwool Men's NTS Mid 250 Zip T Top
NP603
The North Face Men's Summit Series L1 Top
NF0A2TPU
Patagonia Men's Capilene Midweight Long Underwear Bottoms
44485
Patagonia Men's Capilene Lightweight Long Underwear Bottoms
45681
$99.95
 
Smartwool Men's NTS Mid 250 Zip T Top NP603 (Smartwool)
$124.95
 
The North Face Men's Summit Series L1 Top NF0A2TPU (The North Face)
$59.00
 
Patagonia Men's Capilene Midweight Long Underwear Bottoms 44485 (Patagonia)
$49.00
 
Patagonia Men's Capilene Lightweight Long Underwear Bottoms 45681 (Patagonia)
Patagonia Men's Capilene Midweight Crew Neck Shirt 44425 (Patagonia)
Patagonia Men's Long-Sleeved Capilene Daily Graphic T-Shirt 45280 (Patagonia)
Patagonia Men's Long-Sleeved Capilene Daily T-Shirt 45260 (Patagonia)
Ex Officio Men's Give-N-Go Boxer Brief 12412172 (Ex Officio)
Patagonia Men's Capilene Midweight Crew Neck Shirt
44425
Patagonia Men's Long-Sleeved Capilene Daily Graphic T-Shirt
45280
Patagonia Men's Long-Sleeved Capilene Daily T-Shirt
45260
Ex Officio Men's Give-N-Go Boxer Brief
12412172
$59.00
 
Patagonia Men's Capilene Midweight Crew Neck Shirt 44425 (Patagonia)
$49.00
 
Patagonia Men's Long-Sleeved Capilene Daily Graphic T-Shirt 45280 (Patagonia)
$39.00
 
Patagonia Men's Long-Sleeved Capilene Daily T-Shirt 45260 (Patagonia)
$25.95
 
Ex Officio Men's Give-N-Go Boxer Brief 12412172 (Ex Officio)
Patagonia Men's Capilene Daily T-Shirt 45270 (Patagonia)
Patagonia Men's Capilene Thermal Weight Zip-Neck Top 43657 (Patagonia)
Patagonia Men's Capilene Lightweight T-Shirt 45651 (Patagonia)
Ex Officio Men's Give-N-Go Brief 12412173 (Ex Officio)
Patagonia Men's Capilene Daily T-Shirt
45270
Patagonia Men's Capilene Thermal Weight Zip-Neck Top
43657
Patagonia Men's Capilene Lightweight T-Shirt
45651
Ex Officio Men's Give-N-Go Brief
12412173
$29.00
 
Patagonia Men's Capilene Daily T-Shirt 45270 (Patagonia)
$99.00
 
Patagonia Men's Capilene Thermal Weight Zip-Neck Top 43657 (Patagonia)
$39.00
 
Patagonia Men's Capilene Lightweight T-Shirt 45651 (Patagonia)
$19.95
 
Ex Officio Men's Give-N-Go Brief 12412173 (Ex Officio)
Smartwool Men's NTS Mid 250 Crew Neck Shirt NP600 (Smartwool)
Xo Skin Men's 1.0 Short Sleeve Heathered Loose Fit Shirt 100002 (Xo Skin)
Icebreaker Men's Everyday Short Sleeve Crewe 101267 (Icebreaker)
Icebreaker Men's Everyday Long Sleeve Crew Shirt 101261 (Icebreaker)
Smartwool Men's NTS Mid 250 Crew Neck Shirt
NP600
Xo Skin Men's 1.0 Short Sleeve Heathered Loose Fit Shirt
100002
Icebreaker Men's Everyday Short Sleeve Crewe
101267
Icebreaker Men's Everyday Long Sleeve Crew Shirt
101261
$94.95
 
Smartwool Men's NTS Mid 250 Crew Neck Shirt NP600 (Smartwool)
$78.95
 
Xo Skin Men's 1.0 Short Sleeve Heathered Loose Fit Shirt 100002 (Xo Skin)
$60.00
 
Icebreaker Men's Everyday Short Sleeve Crewe 101267 (Icebreaker)
$70.00
 
Icebreaker Men's Everyday Long Sleeve Crew Shirt 101261 (Icebreaker)
Icebreaker Men's Everyday Long Sleeve Half Zip Shirt 101259 (Icebreaker)
Xo Skin Men's 2.0 Long Sleeve Form Fit Crew Shirt 200007 (Xo Skin)
Xo Skin Men's 1.0 Short Sleeve Loose Fit Shirt 100001 (Xo Skin)
Xo Skin Men's 4.0 Pulse Compression Shorts 400001 (Xo Skin)
Icebreaker Men's Everyday Long Sleeve Half Zip Shirt
101259
Xo Skin Men's 2.0 Long Sleeve Form Fit Crew Shirt
200007
Xo Skin Men's 1.0 Short Sleeve Loose Fit Shirt
100001
Xo Skin Men's 4.0 Pulse Compression Shorts
400001
$80.00
 
Icebreaker Men's Everyday Long Sleeve Half Zip Shirt 101259 (Icebreaker)
$88.95
 
Xo Skin Men's 2.0 Long Sleeve Form Fit Crew Shirt 200007 (Xo Skin)
$78.95
 
Xo Skin Men's 1.0 Short Sleeve Loose Fit Shirt 100001 (Xo Skin)
$74.95
 
Xo Skin Men's 4.0 Pulse Compression Shorts 400001 (Xo Skin)
Xo Skin Men's 2.0 3/4 Sleeve Form Fit Crew Shirt 200005 (Xo Skin)
Xo Skin Men's 4.0 Pulse Compression Capris 400002 (Xo Skin)
Xo Skin Men's 2.0 Long Sleeve Form Fit V-Neck Shirt 200008 (Xo Skin)
Icebreaker Everyday Leggings with Fly 101266 (Icebreaker)
Xo Skin Men's 2.0 3/4 Sleeve Form Fit Crew Shirt
200005
Xo Skin Men's 4.0 Pulse Compression Capris
400002
Xo Skin Men's 2.0 Long Sleeve Form Fit V-Neck Shirt
200008
Icebreaker Everyday Leggings with Fly
101266
$83.95
 
Xo Skin Men's 2.0 3/4 Sleeve Form Fit Crew Shirt 200005 (Xo Skin)
$84.95
 
Xo Skin Men's 4.0 Pulse Compression Capris 400002 (Xo Skin)
$88.95
 
Xo Skin Men's 2.0 Long Sleeve Form Fit V-Neck Shirt 200008 (Xo Skin)
$70.00
 
Icebreaker Everyday Leggings with Fly 101266 (Icebreaker)
Terramar Sports Men's Silk Underwear L/S Top S481 (Terramar Sports)
Xo Skin Men's 2.0 3/4 Sleeve Form Fit V-Neck Shirt 200006 (Xo Skin)
Xo Skin Men's 2.0 Short Sleeve Form Fit Crew Shirt 200003 (Xo Skin)
Patagonia Men's Capilene Thermal Weight Long Underwear Bottoms 43687 (Patagonia)
Terramar Sports Men's Silk Underwear L/S Top
S481
Xo Skin Men's 2.0 3/4 Sleeve Form Fit V-Neck Shirt
200006
Xo Skin Men's 2.0 Short Sleeve Form Fit Crew Shirt
200003
Patagonia Men's Capilene Thermal Weight Long Underwear Bottoms
43687
$49.95
 
Terramar Sports Men's Silk Underwear L/S Top S481 (Terramar Sports)
$83.95
 
Xo Skin Men's 2.0 3/4 Sleeve Form Fit V-Neck Shirt 200006 (Xo Skin)
$78.95
 
Xo Skin Men's 2.0 Short Sleeve Form Fit Crew Shirt 200003 (Xo Skin)
$89.00
 
Patagonia Men's Capilene Thermal Weight Long Underwear Bottoms 43687 (Patagonia)

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