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

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


Burton  Midweight Base Layer Crew Top  - Men
Burton Midweight Base Layer Crew Top - Men's
On sale - now $29.93 - was $59.95

REI Co-op  Lightweight Base Layer Crew Top  - Men
REI Co-op Lightweight Base Layer Crew Top - Men's
$29.95

Odlo  Kinship Light Crew Base Layer Top  - Men
Odlo Kinship Light Crew Base Layer Top - Men's
On sale - now $31.83 - was $65

Picture Organic Clothing  Nangha Base Layer Top  - Men
Picture Organic Clothing Nangha Base Layer Top - Men's
On sale - now $36.83 - was $75

Saxx  Viewfinder Long-Sleeve Crew Base Layer Top  - Men
Saxx Viewfinder Long-Sleeve Crew Base Layer Top - Men's
On sale - now $36.83 - was $75

Saxx  Quest Long-Sleeve Crew Base Layer Top  - Men
Saxx Quest Long-Sleeve Crew Base Layer Top - Men's
On sale - now $37.93 - was $55

Odlo  Whistler Eco Long-Sleeve Crew Neck Base Layer Top  - Men
Odlo Whistler Eco Long-Sleeve Crew Neck Base Layer Top - Men's
On sale - now $39.83 - was $80

REI Co-op  Lightweight Base Layer Long-Sleeve Crew Top  - Men
REI Co-op Lightweight Base Layer Long-Sleeve Crew Top - Men's
$39.95

REI Co-op  Lightweight Base Layer Long-Sleeve Crew Top Tall Sizes  - Men
REI Co-op Lightweight Base Layer Long-Sleeve Crew Top Tall Sizes - Men's
$39.95

Odlo  Blackcomb Eco Long-Sleeve Crew Base Layer Top  - Men
Odlo Blackcomb Eco Long-Sleeve Crew Base Layer Top - Men's
On sale - now $44.83 - was $90

Odlo  Whistler Eco Long-Sleeve Half-Zip Base Layer Top  - Men
Odlo Whistler Eco Long-Sleeve Half-Zip Base Layer Top - Men's
On sale - now $44.83 - was $90

REI Co-op  Lightweight Base Layer Half-Zip Top  - Men
REI Co-op Lightweight Base Layer Half-Zip Top - Men's
$44.95

REI Co-op  Lightweight Base Layer Long-Sleeve Zip-Neck Top Tall Sizes  - Men
REI Co-op Lightweight Base Layer Long-Sleeve Zip-Neck Top Tall Sizes - Men's
$44.95

Craft  Active Intensity Base Layer Top  - Men
Craft Active Intensity Base Layer Top - Men's
On sale - now $46.73 - was $64.98

Threads 4 Thought  Brennan Base Layer Long-Sleeve Quarter-Zip Top  - Men
Threads 4 Thought Brennan Base Layer Long-Sleeve Quarter-Zip Top - Men's
On sale - now $46.73 - was $68

Odlo  Natural + Kinship Warm Crew Base Layer Top  - Men
Odlo Natural + Kinship Warm Crew Base Layer Top - Men's
On sale - now $49.83 - was $100

REI Co-op  Midweight Base Layer Crew Top -  Tall Sizes  - Men
REI Co-op Midweight Base Layer Crew Top - Tall Sizes - Men's
$49.95

REI Co-op  Midweight Base Layer Half-Zip Top  - Men
REI Co-op Midweight Base Layer Half-Zip Top - Men's
$54.95

REI Co-op  Merino 185 Long-Sleeve Base Layer Top  - Men
REI Co-op Merino 185 Long-Sleeve Base Layer Top - Men's
On sale - now $55.93 - was $79.95

Obermeyer  Lean Crew Base Layer Top  - Men
Obermeyer Lean Crew Base Layer Top - Men's
On sale - now $59.73 - was $79

Saxx  Viewfinder Long-Sleeve Crew Base Layer Top  - Men
Saxx Viewfinder Long-Sleeve Crew Base Layer Top - Men's
On sale - now $59.73 - was $75

Saxx  Viewfinder Long-Sleeve Half-Zip Base Layer Top  - Men
Saxx Viewfinder Long-Sleeve Half-Zip Base Layer Top - Men's
On sale - now $63.73 - was $80

Motus SL Crew Neck Shirt SS Men
Motus SL Crew Neck Shirt SS Men's
$69

Motus SL Crew Neck Shirt SS Men
Motus SL Crew Neck Shirt SS Men's
$69

Motus SL Crew Neck Shirt SS Men
Motus SL Crew Neck Shirt SS Men's
$69

Motus SL Crew Neck Shirt SS Men
Motus SL Crew Neck Shirt SS Men's
$69

Patagonia  Capilene Midweight Crew Base Layer Top  - Men
Patagonia Capilene Midweight Crew Base Layer Top - Men's
$69

Burton  Midweight X Base Layer Crew Top  - Men
Burton Midweight X Base Layer Crew Top - Men's
$69.95

REI Co-op  Merino 185 Base Layer Top  - Men
REI Co-op Merino 185 Base Layer Top - Men's
$69.95

Obermeyer  Lean Half-Zip Base Layer Top  - Men
Obermeyer Lean Half-Zip Base Layer Top - Men's
On sale - now $74.73 - was $99

Icebreaker  Merino 200 Sonebula Long-Sleeve High-Neck Thermal Base Layer Top  - Men
Icebreaker Merino 200 Sonebula Long-Sleeve High-Neck Thermal Base Layer Top - Men's
On sale - now $76.93 - was $110

Patagonia  Capilene Midweight Zip-Neck Base Layer Top  - Men
Patagonia Capilene Midweight Zip-Neck Base Layer Top - Men's
$79

REI Co-op  Merino 185 Long-Sleeve Base Layer Top Tall Sizes  - Men
REI Co-op Merino 185 Long-Sleeve Base Layer Top Tall Sizes - Men's
$79.95

Ortovox  120 Comp Light Base Layer Top  - Men
Ortovox 120 Comp Light Base Layer Top - Men's
$80

Odlo  Blackcomb Base Layer Top with Face Mask  - Men
Odlo Blackcomb Base Layer Top with Face Mask - Men's
On sale - now $82.73 - was $110

Icebreaker  200 Oasis Long-Sleeve Crew Move to Natural Base Layer Top  - Men
Icebreaker 200 Oasis Long-Sleeve Crew Move to Natural Base Layer Top - Men's
On sale - now $83.73 - was $105

Icebreaker  200 Oasis Crewe Base Layer Top  - Men
Icebreaker 200 Oasis Crewe Base Layer Top - Men's
$85

REI Co-op  Merino 185 Long-Sleeve Half-Zip Base Layer Top  - Men
REI Co-op Merino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95

REI Co-op  Merino 185 Long-Sleeve Half-Zip Base Layer Top Tall Sizes  - Men
REI Co-op Merino 185 Long-Sleeve Half-Zip Base Layer Top Tall Sizes - Men's
$89.95

Smartwool  Merino 150 Base Layer Quarter-Zip Top  - Men
Smartwool Merino 150 Base Layer Quarter-Zip Top - Men's
$90

Mountain Hardwear  Diamond Peak 1/2-Zip Base Layer Top  - Men
Mountain Hardwear Diamond Peak 1/2-Zip Base Layer Top - Men's
On sale - now $94.73 - was $120

Smartwool  Merino Sport 150 Long-Sleeve Quarter-Zip Base Layer Top  - Men
Smartwool Merino Sport 150 Long-Sleeve Quarter-Zip Base Layer Top - Men's
$95

Artilect  Boulder 125 Crew Base Layer Top  - Men
Artilect Boulder 125 Crew Base Layer Top - Men's
$100

Helly Hansen  Lifa Merino Midweight Crew Base Layer Top  - Men
Helly Hansen Lifa Merino Midweight Crew Base Layer Top - Men's
$100

Ortovox  120 Comp Light Long-Sleeve Base Layer Top  - Men
Ortovox 120 Comp Light Long-Sleeve Base Layer Top - Men's
$100

Ortovox  185 Merino Rock
Ortovox 185 Merino Rock'n'wool Base Layer Top - Men's
$100

Smartwool  Merino 250 Crew Base Layer Top  - Men
Smartwool Merino 250 Crew Base Layer Top - Men's
$100

Icebreaker  200 Oasis Half-Zip Base Layer Top  - Men
Icebreaker 200 Oasis Half-Zip Base Layer Top - Men's
$105

Smartwool  Merino 250 Base Layer Quarter-Zip Top  - Men
Smartwool Merino 250 Base Layer Quarter-Zip Top - Men's
$105

Artilect  Boulder 125 Quarter-Zip Base Layer Top  - Men
Artilect Boulder 125 Quarter-Zip Base Layer Top - Men's
$110

Ortovox  185 Merino Rock
Ortovox 185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Men's
$110

Icebreaker  260 Tech Crewe Base Layer Top  - Men
Icebreaker 260 Tech Crewe Base Layer Top - Men's
$115

Artilect  Goldhill 125 Zoned Crew Base Layer Top  - Men
Artilect Goldhill 125 Zoned Crew Base Layer Top - Men's
$120

Smartwool  Intraknit 200 Crew Base Layer Top  - Men
Smartwool Intraknit 200 Crew Base Layer Top - Men's
$120

Artilect  Flatiron 185 Base Layer Crew Top  - Men
Artilect Flatiron 185 Base Layer Crew Top - Men's
$125

Icebreaker  260 Tech Half-Zip Base Layer Top  - Men
Icebreaker 260 Tech Half-Zip Base Layer Top - Men's
$125

Patagonia  Capilene Air Crew Base Layer Top  - Men
Patagonia Capilene Air Crew Base Layer Top - Men's
$129

Smartwool  Intraknit Merino 200 Colorblock Quarter-Zip Base Layer Top  - Men
Smartwool Intraknit Merino 200 Colorblock Quarter-Zip Base Layer Top - Men's
$130

Artilect  Darkhorse 185 Zoned Crew Base Layer Top  - Men
Artilect Darkhorse 185 Zoned Crew Base Layer Top - Men's
$145