Product Details     Style: M193W22 The On Merino-T Long Sleeve Running Shirt has an athletic fit that works as hard as you do. The Merino wool blend will keep you warm in the winter and cool in the summer with natural moisture-wicking and anti-odor properties that will keep you fresh and comfortable when you’re on the trail, pounding the pavement, or crashing on the couch. FEATURES 83% Merino Wool, 17% Polyamide 100% mulesing free, which means the fleece is humanely sheered Special spinning technology that makes the fabric more durable and abrasion resistant Natural moisture-wicking and anti-odor properties Athletic fit is flattering On Merino-T Long Sleeve Running Shirt (Men's)