Tech meets soft in this blend combining the tried and true performance of merino wool with renewable sorona fibers for superior softness and added durability, the merino lux 1/4 zip performs on its own as a soft base layer or as a travel layer over a tee or polo, with an odor-resistant fabric that lets you wear it over and over. Featuring temperature-regulation, moisture wicking, wrinkle-resistance, and upf 50+ protection.