Base Layers and Underwear

Showing 601-650 of 1289 items

Refine by Type:
Tops (603)
Bottoms (327)
Base Layer Suits (19)
Boxers, Briefs, Bikinis (160)
Sports Bras (119)
Compression (37)

Refine by Brand:
Patagonia (83)
Icebreaker (122)
Arc'teryx (31)
Marmot (11)
Under Armour (67)
SmartWool (53)
Stoic (17)
Ibex (38)
Mountain Hardwear (10)
Polarmax (22)

Refine by Gender:
Unisex (8)
Men's (742)
Women's (893)
Kids' (87)
Boys' (28)
Girls' (38)

Refine by Price:
less than $25 (214)
$25 - $49.99 (539)
$50 - $99.99 (388)
$100 - $199.99 (59)
$200 and above (2)

Sort by: name | rating | price | availability

Ibex Shak Lite 1/2 Zip

Base Layer Top

not yet rated
write a review

$81 - $135
where to buy

EMS Techwick Midweight 1/2 Zip

Base Layer Top

not yet rated
write a review

$31
where to buy

REI Mesh MTS Boxers

Base Layer Bottom

not yet rated
write a review

$15
where to buy

Columbia Quickest Wick Short Sleeve Top

Base Layer Top

not yet rated
write a review

$42
where to buy

Ibex Energy Tight

Base Layer Bottom

not yet rated
write a review

$87 - $94
where to buy

Patagonia Capilene 1 Silkweight Stretch Crew

Base Layer Top

not yet rated
write a review

$17 - $35
where to buy

Patagonia Active Hipster

Boxers, Briefs, Bikini

not yet rated
write a review

$10 - $20
where to buy

Isis Active Hipster

Boxers, Briefs, Bikini

not yet rated
write a review

$20
where to buy

The North Face Warm Tight

Base Layer Bottom

not yet rated
write a review

$33 - $67
where to buy

Columbia Layer First Pant

Base Layer Bottom

not yet rated
write a review

$33 - $55
where to buy

Stoic Merino 200 Bliss Shirt - Long Sleeve

Base Layer Top

not yet rated
write a review

$54 - $59
where to buy

Patagonia Capilene 1 Silkweight Graphic T-Shirt

Base Layer Top

not yet rated
write a review

$22 - $59
where to buy

SmartWool Microweight V-Neck Long Sleeve

Base Layer Top

not yet rated
write a review

$49 - $75
where to buy

CW-X Ventilator Mesh Bra

Sports Bra

not yet rated
write a review

$38 - $44
where to buy

The North Face Warm Merino Zip Neck

Base Layer Top

not yet rated
write a review

$72 - $90
where to buy

Stoic Alpine Merino 150 Bottom

Base Layer Bottom

not yet rated
write a review

$36 - $43
where to buy

SmartWool The Tight

Base Layer Bottom

not yet rated
write a review

$27 - $28
where to buy

Outdoor Research Radiant Hybrid Suit

One-Piece Base Layer

not yet rated
write a review

$77 - $139
where to buy

Arc'teryx Rho LTW Zip

Base Layer Top

not yet rated
write a review

$83 - $128
where to buy

Isis Everyday Brief

Boxers, Briefs, Bikini

not yet rated
write a review

$18
where to buy

Stoic Merino 200 Boy Boxer

not yet rated
write a review

$29
where to buy

Patagonia Capilene 2 Lightweight Briefs

Boxers, Briefs, Bikini

not yet rated
write a review

$15 - $30
where to buy

Stoic Merino Composite 1/4 Zip Top

Base Layer Top

not yet rated
write a review

$60 - $65
where to buy

Polarmax 4-Way Stretch Zip Mock T

Base Layer Top

not yet rated
write a review

$33 - $59
where to buy

Icebreaker 260 Cascade Half Zip

Base Layer Top

not yet rated
write a review

$105
where to buy

Ibex D-Lux Boxer

Boxers, Briefs, Bikini

not yet rated
write a review

$51 - $60
where to buy

 

Minus33 100% Wool Midweight Bottoms

Base Layer Bottom

not yet rated
write a review

$43
where to buy

The North Face Light Zip Neck

Base Layer Top

not yet rated
write a review

$40 - $50
where to buy

SportHill InFuzion Pocket Top

Base Layer Top

not yet rated
write a review

$45
where to buy

ExOfficio Give-N-Go Lacy Tank

Base Layer Top

not yet rated
write a review

$22 - $31
where to buy

Polarmax 4-Way Stretch Crew

Base Layer Top

not yet rated
write a review

$40
where to buy

Airblaster Ninja Suit

One-Piece Base Layer

not yet rated
write a review

$60 - $87
where to buy

Icebreaker Relay Tank

Base Layer Top

not yet rated
write a review

$45 - $59
where to buy

tasc Performance Boxer Brief

Boxers, Briefs, Bikini

not yet rated
write a review

$24
where to buy

Icebreaker Bolt LS Crewe

Base Layer Top

not yet rated
write a review

$64
where to buy

Columbia Baselayer Lightweight Short Sleeve Top

Base Layer Top

not yet rated
write a review

$30 - $55
where to buy

Kenyon Outlast Mid-weight Bottom

Base Layer Bottom

not yet rated
write a review

$15
where to buy

Isis Active Sport Bra

Sports Bra

not yet rated
write a review

$39
where to buy

Patagonia Barely Bikini

Boxers, Briefs, Bikini

not yet rated
write a review

$12 - $20
where to buy

SmartWool Lightweight Wind Boxer Briefs

Boxers, Briefs, Bikini

not yet rated
write a review

$48 - $59
where to buy

Icebreaker Siren Cami

Base Layer Top

not yet rated
write a review

$25 - $50
where to buy

Isis Everyday Chantilly Underwire Bra

Sports Bra

not yet rated
write a review

$39
where to buy

Icebreaker 200 Lightweight Pace Legging

Base Layer Bottom

not yet rated
write a review

$70 - $99
where to buy

SmartWool PhD Lightweight Wind Zip T

Base Layer Top

not yet rated
write a review

$90 - $119
where to buy

SmartWool Microweight Thong

Boxers, Briefs, Bikini

not yet rated
write a review

$22 - $25
where to buy

Icebreaker 200 Lightweight Pace Legless

Base Layer Bottom

not yet rated
write a review

$63
where to buy

Patagonia Crossover Bra

Sports Bra

not yet rated
write a review

$25 - $49
where to buy

DaKine Belmont 3/4 Pant

Base Layer Bottom

not yet rated
write a review

$17
where to buy

Icebreaker 200 Tank

Base Layer Top

not yet rated
write a review

$21 - $44
where to buy

Ibex Nomad 1/2 Snap Top

Base Layer Top

not yet rated
write a review

$96
where to buy