Active Short Sleeve Nutrition and treated with a durable

and treated with a durable water repellent (DWR) finish made without intentionally added PFAS to shed light moisture

super-soft Merino around a nylon core for every thread

• Up to 100% more reflective area than standard running vests

25 recycled plastic bottles

Gusseted tongue with water repellent coating

Active Short Sleeve Nutrition and treated with a durableWork up a sweat without skimping on comfort with Smartwool's Men's Active Short Sleeve. Crafted with the odor resistance, moisture management, and temperature regulation properties of Merino with the durability of recycled polyester. The relaxed fit means there's no additional bulk, with offset shoulder and side seams designed to help increase comfort and minimize chafing, no matter how you move. This short sleeve is complete with reflective elements.