Ditch the cotton and go with these. A Smartwool best seller.
Details
- 88% Merino Wool, 12% Nylon fabric for the perfect balance of comfort and durability in a lightweight wool baselayer
 - Core Spun Merino fibers wrapped around a nylon core that adds durability while maintaining soft Merino next-to-skin comfort
 - Merino-lined 1.5" wide elastic waistband
 - Fly front
 - 4.75" inseam (size medium)
 - Slim fit
 - Flatlock seam construction for comfort
 - Odor resistance
 - Machine washable and dryable
 - 3.2 oz