Merino 165 Base Layer Long Sleeve YGroup_motiontank while the lightweight four-way stretch

while the lightweight four-way stretch outer fabric keeps you moving freely

it delivers medium support while keeping you dry and distraction-free

supportive fit

comfortable

they’re a trusted choice for everyday chilly running

Merino 165 Base Layer Long Sleeve YGroup_motiontank while the lightweight four-way stretchThe Merino 165 Base Layer Long Sleeve is made from natures most advanced performance fabric 100% superfine merino wool. Naturally technical, it regulates body temperature, wicks moisture, and provides lightweight insulation to keep you warm without overheating. With its slim fit, it works seamlessly as a base layer on cold days or as a stand alone long sleeve that feels almost weightless.