The Best Men’s Underwear: Staff Picks
Whether you're working out, hitting the trail, or just enjoying a relaxing day, the perfect underwear is critical. We've rounded up our favorites!
Skip to search results
loaded 20 results
Short Sleeve Underwear
(20 products)
Products (20)
Sort : Best Match
- Showing 30 results per page
REI Co-op Merino 185 Base Layer Top - Women's
$69.95Ortovox 140 Cool Vintage Badge T-Shirt - Men's
$47.93Save 40%compared to $80.00REI Co-op Merino 185 Base Layer Top - Men's
$69.95- Colors
Icebreaker 125 ZoneKnit Crewe Base Layer Top - Women's
$115.00 Icebreaker 125 ZoneKnit Crewe Base Layer Top - Men's
$115.00- Colors
Artilect Boulder 125 Base Layer T-Shirt - Women's
$50.93 - $100.00 - Colors
Ortovox 185 Merino Rock'n'wool Base Layer Top - Men's
$100.00 - Colors
Ortovox 185 Merino Rock'n'wool Base Layer Top - Women's
$90.00 - Colors
Ortovox 120 Cool Tec Fast Upward Base Layer T-Shirt - Women's
$90.00 - Colors
Ortovox 120 Cool Tec Clean Base Layer T-Shirt - Men's
$90.00 Smartwool Merino 150 Lace V-Neck Base Layer Top - Women's
$70.00- Colors
REI Co-op Merino 185 Base Layer Top - Women's Plus Sizes
$41.93 - $69.95 - Colors
REI Co-op Lightweight Base Layer Crew Top - Women's Plus Sizes
$29.95 - Colors
REI Co-op Lightweight Base Layer Crew Top - Women's
$29.95 - ColorsTop Rated
Icebreaker 200 Oasis Crewe Base Layer Top - Men's
$95.00 - Colors
REI Co-op Lightweight Base Layer Crew Top - Men's
$29.95 - ColorsREI Outlet
Kari Traa Butterfly Base Layer T-Shirt - Women's
$33.73Save 25%compared to $45.00 - REI Outlet
Smartwool Merino Base Layer T-Shirt - Women's
$56.73Save 24%compared to $75.00 - ColorsREI Outlet
Odlo Performance Light Crew Shirt - Men's
$35.73Save 35%compared to $55.00 - REI Outlet
Icebreaker BodyfitZone Merino 150 Zone Crewe Thermal Top - Men's
$69.73Save 26%compared to $95.00
Related Expert Advice articles
How to Choose Hiking Underwear
Your choice of underwear can have a big impact on your comfort while hiking. Learn what fabric, style, fit and features to look for.
REI Co-op Editors’ Choice Awards
REI Co-op Editors’ Choice Awards honor the best equipment and apparel we’ve been recommending for years, along with the latest innovative products.
What to Wear Hiking
Learn about clothes that can help you hike more comfortably, and get strategies for cutting the weight and bulk of clothing in your pack.
How to Choose Base Layers
Choosing the right underwear (base layer) is essential—learn how moisture-wicking materials, fabric weight and fit affect comfort in the outdoors.
What to Wear Backpacking
Learn which clothes to bring backpacking in order to keep your pack light while making sure you'll have everything you need.
