Smartwool vs Darn Tough (2026): We Wore Both All Winter
TL;DR: We wore both across three-plus years of everyday use, New York winters, and Colorado hikes, and for most people Darn Tough wins. Same rough price, but Darn Tough backs its socks with an unconditional lifetime guarantee while Smartwool stops at two years, and the Vermont-made merino held up like nothing else we tested. Pick …