Awesome lightweight Merino wool base layer from Smartwool. Great next-to-skin comfort in warm or cold conditions.
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 wide elastic waistband
 - Flatlock seam construction for comfort
 - Fully Functional Fly
 - Odor resistance
 - Slim Fit
 - Machine washable and dryable