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Men's Classic Thermal Merino Base Layer Crew - Mineral Color ShiftMeet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams, and a flatlock seam construction helps prevent...
- from $34.50
$115.00- from $34.50
- Unit price
- per
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Mineral Color Shift
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Mineral Blue Heather
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Burnt Sienna
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Burnt Sienna Check
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Men's Classic Thermal Merino Base Layer 1/4 Zip - Mink Color ShiftWe've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool,...
- from $36.00
$120.00- from $36.00
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Mink Color Shift
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Charcoal Foggy Pines
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Light Gray Heather
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Winter Moss Summit Soul
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Men's Classic All-Season Merino Base Layer Crew - Sable Brown MountainSpring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With our Core Spun technology, we've wrapped lightweight Merino around a nylon core for added durability, while still keeping the comfort of ultra-soft, responsibly sourced...
- $30.00
$100.00- $30.00
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- per
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Sable Brown Mountain
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Nightfall Blue
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Deep Navy
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Burnt Sienna
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Men's Intraknit™ Thermal Merino Base Layer Crew - Winter MossThis minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino wool yarns and gender-specific ventilation perfectly placed to maximize thermoregulation and breathability during...
- from $39.00
$130.00- from $39.00
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Winter Moss
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Squash
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Charcoal/Black
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Nightfall Blue
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Men's Classic Thermal Merino Base Layer Crew - Pacific Blue-CharcoalMeet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams, and a flatlock seam construction helps prevent...
- from $34.50
$115.00- from $34.50
- Unit price
- per
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Pacific Blue-Charcoal
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Dark Teal Heather
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Mineral Color Shift
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Mineral Blue Heather
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Men's Classic Thermal Merino Base Layer Colorblock Crew - Deep Navy-Nightfall BlueOur Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% Merino wool made with a flatlock seam construction and offset shoulder and side seams designed for enhanced comfort, breathability, thermoregulation, and odor resistance. From hiking to running and skiing, this base layer brings...
- from $39.00
$130.00- from $39.00
- Unit price
- per
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Deep Navy-Nightfall Blue
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Mink-Charcoal
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Winter Moss-North Woods
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Twilight Blue-Black
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Men's Classic Thermal Merino Base Layer 1/4 Zip - Deep Navy-Currant HeatherWe've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool,...
- from $36.00
$120.00- from $36.00
- Unit price
- per
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Deep Navy-Currant Heather
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Winter Moss Summit Soul
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Charcoal Foggy Pines
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Black Color Shift
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Men's Classic Thermal Merino Base Layer One Piece - Black Tie DyeMeet the Men's Classic Thermal Merino Base Layer Crew One Piece, which provides a full-body layer of warmth. This 100% Merino wool one piece combines the moisture management, temperature regulation, and odor resistance of Merino with the comfort of an interlock knit. Featuring a...
- $75.00
$250.00- $75.00
- Unit price
- per
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Black Tie Dye
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Mink Heather
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Men's Classic All-Season Merino Base Layer Crew - Nightfall BlueSpring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With our Core Spun technology, we've wrapped lightweight Merino around a nylon core for added durability, while still keeping the comfort of ultra-soft, responsibly sourced...
- from $27.00
$90.00- from $27.00
- Unit price
- per
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Nightfall Blue
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Sable Brown Mountain
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Mineral Blue
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Deep Navy
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Men's Intraknit™ All-Season Merino Base Layer Crew - Winter MossOne of the best parts of Smartwool® base layers is that they help reduce some of the uncomfortable distractions intense activity can produce. This crew top features our Intraknit™ technology—where insulation, articulation, and ventilation are seamlessly integrated to help enhance movement and comfort. The...
- $37.50
$125.00- $37.50
- Unit price
- per
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Winter Moss
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Nightfall Blue
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Black
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Men's Classic Thermal Merino Base Layer Colorblock Crew Boxed - Twilight Blue-BlackOur Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% Merino wool made with a flatlock seam construction and offset shoulder and side seams designed for enhanced comfort, breathability, thermoregulation, and odor resistance. From hiking to running and skiing, this base layer brings...
- from $39.00
$130.00- from $39.00
- Unit price
- per
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Twilight Blue-Black
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Deep Navy-Nightfall Blue
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Mink-Charcoal
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Winter Moss-North Woods
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Men's Classic Thermal Merino Base Layer Hoodie Boxed - Charcoal Linear PeaksGet the comfort and warmth of our warmest-weight base layer in a pullover with our new Men's Merino 250 Base Layer Hoodie. Featuring a mountain-inspired pattern and a higher neck on the hood for more coverage when worn down, this 100% Merino wool hoodie...
- from $43.50
$145.00- from $43.50
- Unit price
- per
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Charcoal Linear Peaks
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Burnt Sienna Check
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Deep Navy
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Black
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Men's Classic All-Season Merino Base Layer 1/4 Zip - BlackOur popular Classic All-Season Merino Base Layer 1/4 Zip is the perfect base layer for warm or cold weather. This top uses our All-Season-weight Merino fabric wrapped around a nylon core to increase durability, while still keeping the 100% soft, Merino wool you love...
- from $28.50
$95.00- from $28.50
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Black
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Iron Heather
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Twilight Blue
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Men's Intraknit™ Thermal Max Merino Base Layer 1/4 Zip - BlackMeet the Men's Intraknit™ Thermal Max Merino Base Layer 1/4 Zip. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear. With seamlessly integrated insulation and ventilation, perfectly articulated flex zones, and Merino comfort, it'll be the first thing...
- $46.50
$155.00- $46.50
- Unit price
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Black
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Nightfall Blue
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Winter Moss
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Deep Navy
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Men's Classic All-Season Merino Base Layer 1/4 Zip - Twilight BlueOur popular Classic All-Season Merino Base Layer 1/4 Zip is the perfect base layer for warm or cold weather. This top uses our All-Season-weight Merino fabric wrapped around a nylon core to increase durability, while still keeping the 100% soft, Merino wool you love...
- from $28.50
$95.00- from $28.50
- Unit price
- per
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Twilight Blue
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Iron Heather
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Black
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Fern Green
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Men's Classic Thermal Merino Base Layer Hoodie - Charcoal-Honey GoldGet the comfort and warmth of our warmest-weight base layer in a pullover with our new Men's Merino 250 Base Layer Hoodie. Featuring a mountain-inspired pattern and a higher neck on the hood for more coverage when worn down, this 100% Merino wool hoodie...
- from $43.50
$145.00- from $43.50
- Unit price
- per
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Charcoal-Honey Gold
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Burnt Sienna Check
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Charcoal Linear Peaks
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Deep Navy
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Men's Intraknit™ Thermal Merino Base Layer Colorblock Crew - Winter Moss-CharcoalMade with our innovative Intraknit™ technology, the Men's Intraknit™ Thermal Merino Base Layer Colorblock Crew is designed with colorblock patterning for a distinctive look. It’s 3D-knit to enhance performance, and it offers mesh zones for better breathability in all the right places. Plus, this...
- $39.00
$130.00- $39.00
- Unit price
- per
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Winter Moss-Charcoal
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Mink-Black
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Deep Navy-Charcoal
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Charcoal-Honey Gold
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Men's Intraknit™ Thermal Merino Base Layer Hoodie - Deep Navy-Nightfall BlueOur Men's Intraknit™ Thermal Merino Base Layer Hoodie is a lightweight, flexible top with a helmet-compatible hood that’s made for your most extreme cold-weather activities. Merino wool yarns and gender-specific ventilation are perfectly placed to maximize thermoregulation and breathability during high-intensity activities, and the...
- $54.00
$180.00- $54.00
- Unit price
- per
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Deep Navy-Nightfall Blue
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Black-Charcoal
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Charcoal-Winter Moss
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Men's Intraknit™ Thermal Merino Base Layer 1/4 Zip - Charcoal-Nightfall BlueNew to our innovative Intraknit™ line is the Men's Intraknit™ Thermal Merino Base Layer 1/4 Zip. This Smartwool® base layer is 3D-mapped for a near-custom fit and freedom of movement. Its engineered construction helps enhance your performance with a lighter weight and cleaner finish....
- $42.00
$140.00- $42.00
- Unit price
- per
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Charcoal-Nightfall Blue
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Winter Moss
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Black-White
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Twilight Blue
Women's Classic Thermal Merino Base Layer Crew
- Twilight Blue Heather
Named Best Overall Base Layers for Women by GearJunkie (2025-2026). Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics....
- from $34.50
$115.00- from $34.50
- Unit price
- per
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Twilight Blue Heather
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Coral Reef
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Currant Alpine Apres
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Black Deco Floral
Run Ankle Socks
- Winter Moss
Be sure to start your next run with footwear that offers as much comfort as possible. Our Run Targeted Cushion Ankle Socks are designed with cushion on the most impact-prone areas—the ball and heel of the foot—as well as other feel-good features like mesh...
- $6.30
$21.00- $6.30
- Unit price
- per
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Winter Moss
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Deep Navy
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Nightfall Blue
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White-White
Women's Run Zero Cushion Mid Crew Socks
- Capri
A good run is about being—and staying—in the zone, so the right footwear is crucial, starting with your socks. Our Women’s Run Zero Cushion Mid Crew Socks offer great comfort features: the 4 Degree™ elite fit system for a performance-oriented fit, a Virtually Seamless™...
- from $6.30
$21.00- from $6.30
- Unit price
- per
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Capri
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Light Gray
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Charcoal
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Purple Eclipse
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