Smartwool's best selling and warmest base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.

Features:

• Slim Fit
• 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Crew neck with set in sleeves
• Back body seam wraps to front for body-enhancing fit
• Shoulder panels eliminate top shoulder seams
• Flatlock seam construction designed to minimize chafing

Specifications:

• Weight: 200 g / 7.05 oz
• Knit Material: 100% Merino Wool
• Care: Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Cool Iron As Needed. Dry Clean.