- Fabric: 84% 18.5-micron merino wool, 12% nylon, 4% spandex
- Fabric weight: 180 gsm
- Fit: Athletic fit, intended to be worn directly against the skin or over a T-shirt
Pros
- More oomph than Proof's T-shirt-weight merino
- High UPF 50+ sun protection rating
- Stealth thumb loops hidden the the cuff
- Loose scuba-style hood allows ventilation without being too restrictive
Cons
- Only available in dark colors, which hold heat in more than lighter colors
- Athletic fit doesn’t allow air to flow between the shirt and arms. Could run hot in hot climates
