Meet 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 chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

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
• Shoulder panels eliminate top shoulder seams
• Flatlock seam construction designed to minimize chafing
• Knit in Vietnam: 100% Merino Wool
• Garment Weight: 276 g = 9.74 oz
• Style: SW016349

CARE

• Machine Wash Warm Gentle Cycle.
• Do Not Iron Decorations.
• Do Not Bleach
• Tumble Dry Low
• Cool Iron As Needed
• Do Not Dry Clean
• Wash With Like Colors

With new patterns, a fresh look, and even more comfort, the Men's Classic Thermal Merino Base Layer Pattern Crew is being its best self. 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 minimize chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

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
• Shoulder panels eliminate top shoulder seams
• Flatlock seam construction designed to minimize chafing
• Knit in Vietnam: 100% Merino Wool
• Garment Weight: 276 g = 9.74 oz
• Style: SW016351

The Smartwool Men's Merino 250 Base Layer 1/4 Zip has an updated fit 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, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.

BENEFITS

Merino 250
This heavier, soft, 100% Merino wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions

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
• Shoulder panels eliminate top shoulder seams
• Flatlock seam construction designed to minimize chafing
• 10' (25 cm) center front zipper semi-locking slider
• Knit in Vietnam: 100% Merino Wool. Exclusive Of Decoration
• Garment Weight: 298 g = 10.51 oz
• Style: SW016355

CARE

• Machine Wash Warm Gentle Cycle.
• Do Not Bleach.
• Tumble Dry Low.
• Cool Iron As Needed.
• Do Not Dry Clean.
• Wash With Like Colors.
• Do Not Iron Decorations.