I think it depends is always going to be the answer.
Best lightweight merino - Sitka (higher merino %, thinner, more comfortable)
Best heavier weight merino - First Light (more options, more weights)
Best Synthetic - Kuiu (the different weights, the strong fleece line is feature-filled, and the Peloton 97 layer alone is unmatched by anyone).
Best lightweight merino - Sitka (higher merino %, thinner, more comfortable)
Best heavier weight merino - First Light (more options, more weights)
Best Synthetic - Kuiu (the different weights, the strong fleece line is feature-filled, and the Peloton 97 layer alone is unmatched by anyone).