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Smartwool Apparel
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Smartwool
Smartwool - Men's Classic Thermal Merino Base Layer Bottom - Deep Navy
Smartwool - Men's Classic Thermal Merino Base Layer Bottom - Deep Navy
SKU:H3WBZ-03-MD
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Smartwool has updated their Men's Merino 250 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 Smartwool's heaviest weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.
Features
Features
- Slim Fit
- 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
- Fit updated to improve functionality while enhancing aesthetics
- Merino-covered elastic interior waistband and traditional fly design
- Flatlock seam construction designed to minimize chafing
Specifications
Specifications
- Size M inseam: 30" (76 cm)
- Knit in Vietnam
- Material: 100% Merino Wool
- Garment Weight: 228 g = 8.04 oz

Full 100% wool baselayers from Smartwool keep warm without excessive weight. Previous pair lasted 4 years with regular wear and washing before developing a hole in the seat. Don't bother with the synthetic mixed fabrics and always avoid paying full retail. Bought on sale for $60 in 2021 and $78 in 2025.