Whether you're out enjoying a summer hike, a bike ride through town, or scoping out a new campsite, put on our Merino 150 Colorblock Short Sleeve and enjoy all of the comfort, breathability, and odor resistance that Merino has to offer. And since you don't quit, we've made sure our shirts won't either. We've wrapped our super soft Merino wool around a durable nylon core, perfect for adding a bit of extra durability.Features Merino 150: This breathable, soft, lightweight fabric offers next to skin comfort, moves sweat away from the body, and acts as a versatile performance layer for warmer conditions. Core Spun: Merino fibers wrapped around a nylon core for added durability while still keeping the comfort of Merino next to skin UPF 20+ naturally protects against the sun's rays Regular Fit Offset shoulder and side seams designed to increase comfort and minimize chafing while wearing a backpack Flatlock seam construction designed to minimize chafing Knit in Vietnam: 87% Merino Wool, 13% Nylon