Stone Glacier Men's Chinook Merino Crew Short-Sleeve Base Layer Shirt - Built to be your go-to base layer from late-summer to late-fall, the Chinook Merino Crew SS will do it all. Constructed with Merino6 technology and featuring a merino/nylon blend, it's soft, it repels the funk, and it wicks moisture. In short, it does everything a high-performing base layer should do-all while remaining true to size. To reduce friction while wearing a pack, the shoulder seams are positioned lower off the shoulder. Merino6 Fabric Technology 89% Merino/11% Nylon blend 193g (Large) Merino Diameter: 17.5 Microns Anatomical Fit Soft to the touch Moisture Wicking Quick Drying Odor Resistant Style: 10003-GG