Merino Wool Base Layers:
Sheep Run Men's Midweight Bottom

 100% 18.5 Micron Merino Wool
 
• 230 g/m2 Interlock knit construction
• Flat lock seams to prevent chafing
• Weight of Garment Size Large = 10.2 oz. (290 grams)

This is simlar to: Minus33's Kancamagus Men's Midweight Bottom