Men's Base Layer Tops - Activewear
gym, fitness, workout, sports clothing

Clothes you can move freely and feel comfortable in while pushing your physical limits.


Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
On sale - now $20.99 - was $29

Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
On sale - now $20.99 - was $29

Carhartt Men
Carhartt Men's Base Force Extremes Lightweight SS T-Shirt
$24.99

Endura Men
Endura Men's BaaBaa Merino Tech Multitube
$27.5

Endura Men
Endura Men's BaaBaa Merino Tech Multitube
$27.5

Endura Men
Endura Men's BaaBaa Merino Tech Multitube
$27.5

Patagonia Men
Patagonia Men's LS Capilene Daily T-Shirt
On sale - now $27.99 - was $39

Patagonia Men
Patagonia Men's Capilene Daily Graphic T-Shirt
On sale - now $28.99 - was $39

Patagonia Men
Patagonia Men's Capilene Lightweight T-Shirt
On sale - now $28.99 - was $39

Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
$29

Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
$29

Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
$29

Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
$29

Patagonia Men
Patagonia Men's Capilene Daily T-Shirt
$29

Marmot Men
Marmot Men's Kestrel LS Crew
On sale - now $29.96 - was $39.95

Carhartt Men
Carhartt Men's Base Force Cotton Super Cold Weather Crewneck Top
$29.99

Carhartt Men
Carhartt Men's Base Force Cotton Super Cold Weather Crewneck Top
$29.99

Carhartt Men
Carhartt Men's Base Force Extremes Lightweight Crewneck
$29.99

Icebreaker Men
Icebreaker Men's SS Anatomica Crewe
On sale - now $30.99 - was $70

NRS Men
NRS Men's H2Core Silkweight SS Shirt
$34.95

Sherpa Men
Sherpa Men's Rinchen SS Tee
$34.95

Sherpa Men
Sherpa Men's Rinchen SS Tee
$34.95

Marmot Men
Marmot Men's Harrier LS Crew
On sale - now $37.46 - was $49.95

Patagonia Men
Patagonia Men's Capilene Daily Graphic T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Graphic T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Graphic T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Graphic T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Graphic T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Lightweight T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Lightweight T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Lightweight T-Shirt
$39

Patagonia Men
Patagonia Men's Capilene Lightweight T-Shirt
$39

ExOfficio Men
ExOfficio Men's Give-N-Go Tee
$39.95

ExOfficio Men
ExOfficio Men's Give-N-Go V Tee
$39.95

Helly Hansen Men
Helly Hansen Men's HH Lifa Stripe Crew Top
$39.95

Helly Hansen Men
Helly Hansen Men's HH Lifa Stripe Crew Top
$39.95

Helly Hansen Men
Helly Hansen Men's HH Lifa Stripe Crew Top
$39.95

NRS Men
NRS Men's H2Core Silkweight LS Shirt
$39.95

NRS Men
NRS Men's H2Core Silkweight LS Shirt
$39.95

Sherpa Men
Sherpa Men's Rinchen LS Tee
$39.95

Sherpa Men
Sherpa Men's Rinchen LS Tee
$39.95

Carhartt Men
Carhartt Men's Base Force Extremes Cold Weather Crewneck
$39.99

Under Armour Men
Under Armour Men's UA Base 2.0 1/4 Zip
On sale - now $39.99 - was $59.95

Patagonia Men
Patagonia Men's Capilene Midweight Crew
On sale - now $41.99 - was $59

Patagonia Men
Patagonia Men's Cap Lightweight Zip Neck Top
On sale - now $43.99 - was $59

The North Face Men
The North Face Men's Light L/S Crew Neck
$44.95

Under Armour Men
Under Armour Men's UA Base 1.0 Crew Top
$44.95

Carhartt Men
Carhartt Men's Base Force Extremes Cold Weather Camo Crewneck
$44.99

Carhartt Men
Carhartt Men's Base Force Extremes Cold Weather Quarter Zip Top
$44.99

Mammut Men
Mammut Men's Go Dry Longsleeve
On sale - now $45.99 - was $54.95

Icebreaker Men
Icebreaker Men's Tech T Lite SS
On sale - now $48.99 - was $75

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved Graphic T-Shirt
$49

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved Graphic T-Shirt
$49

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved Graphic T-Shirt
$49

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved Graphic T-Shirt
$49

Patagonia Men
Patagonia Men's Capilene Daily Long-Sleeved Graphic T-Shirt
$49

Patagonia Men
Patagonia Men's Capilene Lightweight Crew
$49

Patagonia Men
Patagonia Men's Capilene Lightweight Crew
$49

Patagonia Men
Patagonia Men's Capilene Lightweight Crew
$49

Patagonia Men
Patagonia Men's Capilene Lightweight Crew
$49

Patagonia Men
Patagonia Men's Capilene Lightweight Crew
$49

Sherpa Men
Sherpa Men's Rinchen Zip Tee
$49.95

Sherpa Men
Sherpa Men's Rinchen Zip Tee
$49.95

The North Face Men
The North Face Men's Warm L/S Crew Neck
$49.95

The North Face Men
The North Face Men's Warm L/S Crew Neck
$49.95

Under Armour Men
Under Armour Men's UA ColdGear Armour Mock Neck Top
$49.95

Under Armour Men
Under Armour Men's UA ColdGear Armour Mock Neck Top
$49.95

Under Armour Men
Under Armour Men's UA ColdGear Armour Mock Neck Top
$49.95

Under Armour Men
Under Armour Men's UA ColdGear Armour Mock Neck Top
$49.95

Patagonia Men
Patagonia Men's Capilene Midweight Zip-Neck
On sale - now $50.99 - was $69

Patagonia Men
Patagonia Men's Capilene Midweight Zip-Neck
On sale - now $50.99 - was $69

Mammut Men
Mammut Men's Go Dry Zip Longsleeve
On sale - now $51.99 - was $69.95

Ibex Men
Ibex Men's Woolies 1 SS Top
On sale - now $52.5 - was $75

Smartwool Men
Smartwool Men's NTS Micro 150 SS Henley
On sale - now $52.99 - was $84.95

Under Armour Men
Under Armour Men's UA ColdGear Infrared Devo 1/4 Zip
On sale - now $52.99 - was $79.95

Endura Men
Endura Men's Transrib Long Sleeve Baselayer Top
$54.95

Under Armour Men
Under Armour Men's UA Base 2.0 Crew Top
$54.95

Under Armour Men
Under Armour Men's UA Base 2.0 Crew Top
$54.95

Smartwool Men
Smartwool Men's NTS Micro 150 SS Henley
On sale - now $54.99 - was $84.95

Icebreaker Men
Icebreaker Men's Tech T Lite SS
On sale - now $55.99 - was $75

Icebreaker Men
Icebreaker Men's Tech T Lite SS
On sale - now $55.99 - was $75

Smartwool Men
Smartwool Men's PhD Light LS Top
On sale - now $58.99 - was $84.95

Patagonia Men
Patagonia Men's Cap Lightweight Zip Neck Top
$59

Patagonia Men
Patagonia Men's Cap Lightweight Zip Neck Top
$59

Patagonia Men
Patagonia Men's Cap Lightweight Zip Neck Top
$59

Patagonia Men
Patagonia Men's Cap Lightweight Zip Neck Top
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Patagonia Men
Patagonia Men's Capilene Midweight Crew
$59

Ibex Men
Ibex Men's Woolies 1 Crew
On sale - now $59.5 - was $85

Ibex Men
Ibex Men's Woolies 1 Crew
On sale - now $59.5 - was $85

The North Face Men
The North Face Men's Warm L/S Zip Neck
$59.95

The North Face Men
The North Face Men's Warm L/S Zip Neck
$59.95

Under Armour Men
Under Armour Men's UA Base 2.0 1/4 Zip Top
$59.95

Icebreaker Men
Icebreaker Men's Oasis SS Crewe
On sale - now $59.99 - was $80

Icebreaker Men
Icebreaker Men's Tech T Lite SS
On sale - now $59.99 - was $75

Icebreaker Men
Icebreaker Men's Tech T Lite SS
On sale - now $59.99 - was $75

Icebreaker Men
Icebreaker Men's Tech T Lite SS
On sale - now $59.99 - was $75

Icebreaker Men
Icebreaker Men's Anatomica Tank
$60

Icebreaker Men
Icebreaker Men's Everyday SS Crewe
$60

Helly Hansen Men
Helly Hansen Men's HH Warm Ice Crew Top
On sale - now $62.99 - was $90

Smartwool Men
Smartwool Men's PhD Light LS Top
On sale - now $62.99 - was $84.95

Icebreaker Men
Icebreaker Men's Oasis LS Crewe
On sale - now $63.99 - was $90

Icebreaker Men
Icebreaker Men's Oasis LS Crewe
On sale - now $63.99 - was $90

Obermeyer Transport Tech Baselayer Top
Obermeyer Transport Tech Baselayer Top
$64.5

Obermeyer Transport Tech Baselayer Top
Obermeyer Transport Tech Baselayer Top
$64.5

Obermeyer Transport Tech Baselayer Top
Obermeyer Transport Tech Baselayer Top
$64.5

NRS Men
NRS Men's H2Core Lightweight Hoodie
$64.95

NRS Men
NRS Men's H2Core Lightweight Hoodie
$64.95

Under Armour Men
Under Armour Men's ColdGear Infrared Evo Crew
$64.95

Under Armour Men
Under Armour Men's ColdGear Infrared Evo Crew
$64.95

Smartwool Men
Smartwool Men's PhD Light Zip T
On sale - now $65.99 - was $94.95

Smartwool Men
Smartwool Men's PhD Light Zip T
On sale - now $65.99 - was $94.95

Icebreaker Men
Icebreaker Men's Tech Lite LS Crewe
On sale - now $66.99 - was $90

Icebreaker Men
Icebreaker Men's Oasis LS Alpine Crewe
On sale - now $68.99 - was $100

Rab Men
Rab Men's MeCo 165 LS Zip Tee
On sale - now $68.99 - was $99.95

Arcteryx Men
Arcteryx Men's Phase SL SS Crew
$69

Arcteryx Men
Arcteryx Men's Phase SL SS Crew
$69

Arcteryx Men
Arcteryx Men's Phase SL SS Crew
$69

Arcteryx Men
Arcteryx Men's Phase SL SS Crew
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Patagonia Men
Patagonia Men's Capilene Midweight Zip Neck
$69

Mammut Men
Mammut Men's Go Dry Zip Longsleeve
$69.95

Rab Men
Rab Men's Merino+ 120 SS Crew
$69.95

Rab Men
Rab Men's Merino+ 120 SS Crew
$69.95

Helly Hansen Men
Helly Hansen Men's HH Warm Freeze 1/2 Zip Top
On sale - now $69.99 - was $100

Ibex Men
Ibex Men's Woolies 2 Crew
On sale - now $70 - was $100

Ibex Men
Ibex Men's Woolies 2 Crew
On sale - now $70 - was $100

Icebreaker Men
Icebreaker Men's Anatomica SS V Neck Top
$70

Icebreaker Men
Icebreaker Men's Everyday LS Crewe
$70

Icebreaker Men
Icebreaker Men's Everyday LS Crewe
$70

Icebreaker Men
Icebreaker Men's Everyday LS Crewe
$70

Icebreaker Men
Icebreaker Men's Oasis LS Field Crewe
On sale - now $70.99 - was $100

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $71.21 - was $94.95

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $71.21 - was $94.95

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $71.21 - was $94.95

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $71.21 - was $94.95

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $71.21 - was $94.95

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $71.21 - was $94.95

Icebreaker Men
Icebreaker Men's Oasis LS Crewe
On sale - now $71.99 - was $90

Icebreaker Men
Icebreaker Men's Oasis LS Crewe
On sale - now $71.99 - was $90

Icebreaker Men
Icebreaker Men's Oasis LS Half Zip
On sale - now $73.99 - was $100

Smartwool Men
Smartwool Men's NTS Mid 250 Color Block Crew Top
On sale - now $73.99 - was $104.95

Smartwool Men
Smartwool Men's NTS Mid 250 Color Block Crew Top
On sale - now $73.99 - was $104.95

Smartwool Men
Smartwool Men's NTS Mid 250 Zip T
On sale - now $73.99 - was $99.95

Endura Men
Endura Men's BaaBaa Merino LS Baselayer Top
$74.95

Sherpa Men
Sherpa Men's Tsepun Zip Tee
$74.95

Under Armour Men
Under Armour Men's Base 3.0 Crew Top
$74.95

Under Armour Men
Under Armour Men's Base 3.0 Crew Top
$74.95

Smartwool Men
Smartwool Men's NTS Mid 250 Zip T
On sale - now $74.96 - was $99.95

Arcteryx Men
Arcteryx Men's Phase SL LS Crew
$75

Arcteryx Men
Arcteryx Men's Phase SL LS Crew
$75

Arcteryx Men
Arcteryx Men's Phase SL LS Crew
$75

Smartwool Men
Smartwool Men's NTS Mid 250 Crew Top
On sale - now $75.99 - was $94.95

Smartwool Men
Smartwool Men's NTS Mid 250 Zip T
On sale - now $75.99 - was $109.95

Icebreaker Men
Icebreaker Men's Oasis LS Half Zip Hood
On sale - now $76.99 - was $110

Smartwool Men
Smartwool Men's NTS Mid 250 Color Block Crew Top
On sale - now $78.71 - was $104.95

Smartwool Men
Smartwool Men's NTS Mid 250 Color Block Crew Top
On sale - now $78.71 - was $104.95

Smartwool Men
Smartwool Men's NTS Mid 250 Pattern Crew
On sale - now $78.71 - was $104.95

Smartwool Men
Smartwool Men's NTS Mid 250 Pattern Crew
On sale - now $78.71 - was $104.95

Arcteryx Men
Arcteryx Men's Phase AR LS Crew
$79

Arcteryx Men
Arcteryx Men's Phase AR LS Crew
$79

Arcteryx Men
Arcteryx Men's Phase AR LS Crew
$79

Sherpa Men
Sherpa Men's Tsepun Zip Tee
$79.95

Sherpa Men
Sherpa Men's Tsepun Zip Tee
$79.95

Sherpa Men
Sherpa Men's Tsepun Zip Tee
$79.95

Sherpa Men
Sherpa Men's Tsepun Zip Tee
$79.95

Icebreaker Men
Icebreaker Men's Oasis LS Stripe Coronet Crewe
On sale - now $79.99 - was $100

Icebreaker Men
Icebreaker Men's Tech Top LS Half Zip
On sale - now $79.99 - was $120

Smartwool Men
Smartwool Men's NTS Mid 250 Zip T
On sale - now $79.99 - was $99.95

Icebreaker Men
Icebreaker Men's Everyday LS Half Zip
$80

Icebreaker Men
Icebreaker Men's Everyday LS Half Zip
$80

Icebreaker Men
Icebreaker Men's Everyday LS Half Zip
$80

Ibex Men
Ibex Men's Woolies 2 Zip T-Neck
On sale - now $80.5 - was $115

Ibex Men
Ibex Men's Woolies 2 Zip T-Neck
On sale - now $80.5 - was $115

Icebreaker Men
Icebreaker Men's Tech Top LS Crewe
On sale - now $81.99 - was $110

Smartwool Men
Smartwool Men's NTS Mid 250 Pattern Zip T
On sale - now $81.99 - was $109.95

Smartwool Men
Smartwool Men's NTS Mid 250 Zip T
On sale - now $82.46 - was $109.95

Smartwool Men
Smartwool Men's NTS Mid 250 Zip T
On sale - now $82.46 - was $109.95

Icebreaker Men
Icebreaker Men's Tech Top LS Half Zip
On sale - now $82.99 - was $120

Icebreaker Men
Icebreaker Men's Zone LS Half Zip
On sale - now $83.99 - was $120

Mammut Men
Mammut Men's Go Warm Zip Longsleeve
$84.95

Rab Men
Rab Men's Flux Pull-On
$84.95

Rab Men
Rab Men's Merino+ 120 LS Crew
$84.95

Rab Men
Rab Men's Merino+ 120 LS Crew
$84.95

Under Armour Men
Under Armour Men's Base 4.0 Crew Top
$84.95