Smartwool Men's Classic Thermal Merino Base Layer Bottom
Smartwool Men's Classic Thermal Merino Base Layer Bottom
Regular price
$115.00
Shipping calculated at checkout.
Low stock: 2 left
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
Smartwool Men's Size Chart
Smartwool Men's Size Chart
| TOPS | CHEST | WAIST | HIP | SLEEVE LENGTH |
| S | 36-38" | 29-31" | 36-38" | 31-32" |
| M | 39-41" | 32-34" | 39-41" | 32-33" |
| L | 42-44" | 35-37" | 42-44" | 33-34" |
| XL | 45-48" | 38-40" | 45-48" | 34-35" |
| XXL | 49-51" | 41-44" | 49-51" |
35-36" |
| BOTTOMS | S | M | L | XL | XXL |
| WAIST | 29-31" | 32-34" | 35-37" | 38-40" | 41-44" |
| HIP | 36-38" | 39-41" | 42-44" | 45-48" | 49-51" |
| INSEAM | 30-31" | 31-32" | 32-33" | 33-34" | 34-35" |
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We've updated our Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And our warmest-weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.
- Slim Fit
- Fit updated to improve functionality while enhancing aesthetics
- 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
- Garment Weight: 228 g = 8.04 oz
- Knit in Vietnam: 100% Merino Wool
- Size M inseam: 30" (76 cm)
- Flatlock seam construction designed to minimize chafing
- Merino-covered elastic interior waistband and traditional fly design
