A classic midweight crew with a twist, thanks to a Stio exclusive merino blend that wicks, insulates and keeps odors at bay.

Designed for frigid days in the mountains that call for extra warmth and exceptional breathability, the Basis Midweight Merino Crew delivers. Built with a textile developed exclusively for Stio® that interweaves merino wool with synthetic filaments, this midlayer provides elevated performance, transcended comfort and extended versatility to maximize your time outdoors on the coldest days.