SmartWool Classic Thermal Base Layer Top – Merino Wool $29.99 at Sierra.
- Itch-free merino wool is temperature regulating, moisture wicking and odor resistant
- Interlock knit for warmth and comfort
- Ventilating zip neckline
- Shoulder panels eliminate top shoulder seams
- Flatlock seams help reduce chafing
- Forward-set side seams for a comfortable fit
- Made in Vietnam