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Underwear Gear on Sale at REI.com

187 Total Items
REI.com
60%
off
Saxx Men's Vibe Boxer Briefs
$12.73  $32.00
Saxx Men's Vibe Boxer Briefs
REI.com
50%
off
Seirus Men's Heatwave Reversible Long-Sleeve Crew Base Layer Top
$49.83  $99.95
Seirus Men's Heatwave Reversible Long-Sleeve Crew Base Layer Top
REI.com
50%
off
Seirus Men's Heatwave Reversible Base Layer Bottoms
$44.83  $89.95
Seirus Men's Heatwave Reversible Base Layer Bottoms
REI.com
50%
off
Seirus Men's Heatwave Lite Reversible Long-Sleeve Base Layer Top
$36.83  $74.95
Seirus Men's Heatwave Lite Reversible Long-Sleeve Base Layer Top
REI.com
50%
off
Seirus Men's Heatwave Lite Reversible Base Layer Bottoms
$34.83  $69.95
Seirus Men's Heatwave Lite Reversible Base Layer Bottoms
REI.com
50%
off
Seirus Men's Heatwave Quick Body Mapped Long-Sleeve Base Layer Hoodie
$66.83  $134.95
Seirus Men's Heatwave Quick Body Mapped Long-Sleeve Base Layer Hoodie
REI.com
50%
off
Seirus Men's Heatwave Body Mapped Full-Length Base Layer Bottoms
$59.83  $119.95
Seirus Men's Heatwave Body Mapped Full-Length Base Layer Bottoms
REI.com
50%
off
Seirus Men's Heatwave Body Mapped Long-Sleeve Base Layer Crew Top
$64.83  $129.95
Seirus Men's Heatwave Body Mapped Long-Sleeve Base Layer Crew Top
REI.com
50%
off
Picture Organic Clothing Men's Lhotse Base Layer Pants
$39.83  $80.00
Picture Organic Clothing Men's Lhotse Base Layer Pants
REI.com
50%
off
Picture Organic Clothing Men's Nangha Base Layer Top
$44.83  $90.00
Picture Organic Clothing Men's Nangha Base Layer Top
REI.com
50%
off
Artilect Men's Darkhorse 185 Zoned Crew Base Layer Top
$74.83  $150.00
Artilect Men's Darkhorse 185 Zoned Crew Base Layer Top
REI.com
50%
off
Burton Men's Midweight Base Layer Pants
$31.83  $64.95
Burton Men's Midweight Base Layer Pants
REI.com
50%
off
Burton Men's Midweight X Base Layer Bottoms
$36.83  $74.95
Burton Men's Midweight X Base Layer Bottoms
REI.com
50%
off
Burton Men's Midweight X Base Layer Long-Neck Hoodie
$44.83  $89.95
Burton Men's Midweight X Base Layer Long-Neck Hoodie
REI.com
50%
off
Burton Men's Midweight X Base Layer Crew Top
$36.83  $74.95
Burton Men's Midweight X Base Layer Crew Top
REI.com
50%
off
Burton Men's Midweight Base Layer Crew Top
$31.83  $64.95
Burton Men's Midweight Base Layer Crew Top
REI.com
50%
off
Icebreaker Men's Merino 260 Tech Long-Sleeve Half-Zip Thermal Top
$66.83  $135.00
Icebreaker Men's Merino 260 Tech Long-Sleeve Half-Zip Thermal Top
REI.com
50%
off
Icebreaker Men's 200 Oasis Long-Sleeve Crewe Glacial Flow Base Layer Top
$56.83  $115.00
Icebreaker Men's 200 Oasis Long-Sleeve Crewe Glacial Flow Base Layer Top
REI.com
50%
off
Icebreaker Men's 200 ZoneKnit Crewe Base Layer Top
$74.83  $150.00
Icebreaker Men's 200 ZoneKnit Crewe Base Layer Top
REI.com
50%
off
The North Face Men's FD Pro 160 Base Layer Tights
$34.83  $70.00
The North Face Men's FD Pro 160 Base Layer Tights
REI.com
42%
off
Helly Hansen Men's H1 Pro Lifa Seamless Base Layer Bottoms
$62.73  $110.00
Helly Hansen Men's H1 Pro Lifa Seamless Base Layer Bottoms
REI.com
40%
off
Threads 4 Thought Men's Ramsay Sports ReActive Tights
$28.73  $48.00
Threads 4 Thought Men's Ramsay Sports ReActive Tights
REI.com
38%
off
Craft Men's CORE Dry Active Comfort Base Layer Top
$39.73  $64.95
Craft Men's CORE Dry Active Comfort Base Layer Top
REI.com
37%
off
Craft Men's Active Intensity Zip Base Layer Top
$46.73  $74.95
Craft Men's Active Intensity Zip Base Layer Top
REI.com
37%
off
tasc Performance Men's Elevation Merino Base Layer Bottoms
$49.73  $79.00
tasc Performance Men's Elevation Merino Base Layer Bottoms
REI.com
37%
off
tasc Performance Men's Elevation Merino T-Shirt
$49.73  $79.00
tasc Performance Men's Elevation Merino T-Shirt
REI.com
36%
off
Free Country Men's Microtech Heat Base Layer Top
$28.73  $45.00
Free Country Men's Microtech Heat Base Layer Top
REI.com
36%
off
Craft Men's Active Intensity Base Layer Pants
$34.73  $54.95
Craft Men's Active Intensity Base Layer Pants
REI.com
35%
off
Helly Hansen Men's Lifa Merino Lightweight Base Layer Bottoms
$57.73  $90.00
Helly Hansen Men's Lifa Merino Lightweight Base Layer Bottoms
REI.com
34%
off
Stance Men's Palmoflage Boxer Briefs
$19.73  $30.00
Stance Men's Palmoflage Boxer Briefs
REI.com
32%
off
Stance Men's Flauge Wholester Boxer Briefs
$23.73  $35.00
Stance Men's Flauge Wholester Boxer Briefs
REI.com
32%
off
Stance Men's Heat Wholester Boxer Briefs
$23.73  $35.00
Stance Men's Heat Wholester Boxer Briefs
REI.com
31%
off
Terramar Men's MilkSilk 3" Trunk Briefs - 3 Pairs
$24.73  $36.00
Terramar Men's MilkSilk 3" Trunk Briefs - 3 Pairs
REI.com
31%
off
Patagonia Men's Sender Boxer Briefs
$23.93  $35.00
Patagonia Men's Sender Boxer Briefs
REI.com
30%
off
Craft Men's Core Dry Base-Layer Set
$51.73  $74.95
Craft Men's Core Dry Base-Layer Set
REI.com
29%
off
Free Country Men's Force Grid Fleece Crew Base Layer Top
$31.73  $45.00
Free Country Men's Force Grid Fleece Crew Base Layer Top
REI.com
29%
off
Free Country Men's Microtech Heat Base Layer Bottoms
$31.73  $45.00
Free Country Men's Microtech Heat Base Layer Bottoms
REI.com
29%
off
Free Country Men's Force Grid Fleece Base Layer Pants
$31.73  $45.00
Free Country Men's Force Grid Fleece Base Layer Pants
REI.com
29%
off
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
$73.73  $105.00
Icebreaker Men's Merino 200 Oasis Long-Sleeve Crewe Thermal Top
REI.com
29%
off
Toad&Co Men's Woven Boxers
$19.73  $28.00
Toad&Co Men's Woven Boxers
REI.com
28%
off
Terramar Men's 3.0 Thermawool Heavyweight Thermal Crew Shirt
$49.73  $70.00
Terramar Men's 3.0 Thermawool Heavyweight Thermal Crew Shirt
REI.com
28%
off
Terramar Men's 4.0 Beast Half-Zip Base Layer Top
$49.73  $70.00
Terramar Men's 4.0 Beast Half-Zip Base Layer Top
REI.com
28%
off
Terramar Men's 3.0 Thermawool Heavyweight Thermal Pants
$49.73  $70.00
Terramar Men's 3.0 Thermawool Heavyweight Thermal Pants
REI.com
28%
off
Terramar Men's 4.0 Beast Base Layer Pants
$46.73  $65.00
Terramar Men's 4.0 Beast Base Layer Pants
REI.com
27%
off
Icebreaker Men's Merino Anatomica Boxers with Fly
$32.73  $45.00
Icebreaker Men's Merino Anatomica Boxers with Fly
REI.com
27%
off
Smartwool Men's Classic Thermal Merino Base Layer Hoodie
$104.73  $145.00
Smartwool Men's Classic Thermal Merino Base Layer Hoodie
REI.com
27%
off
Helly Hansen Men's HH Lifa Active Base Layer Pants
$39.73  $55.00
Helly Hansen Men's HH Lifa Active Base Layer Pants
REI.com
26%
off
Helly Hansen Men's HH LIFA Merino Boxers Windblock
$36.73  $50.00
Helly Hansen Men's HH LIFA Merino Boxers Windblock
Page 1 of 4
04/18/2024
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