Smartwool Men's Active Ultralite Short Sleeve Float Like a Butterfly, Sting Like a Bee The Active Ultralite tee is built for high-energy days. Made with Merino wool blended performance fabric, it has natural odor protection and dries quickly. It's light enough to wear solo or under layers and keeps you moving from sunrise to sunset. Features Featherweight Merino blend, keeps you cool and fresh Natural odor resistance, stays fresher longer Quick-dry fabric, handles sweat and heat Ultra-light feel, great for warm weather Made responsibly, with eco-conscious sourcing MFG#: SW016544SPECIFICATIONSIntended Use Multi-Sport Fit Men's - Regular Material53% Merino Wool, 47% Lyocell Care Instructions Machine wash cold, tumble dry low, no bleach SIZINGSize Chest Waist Arm Length S36"-38"29"-31"31"-32"M39"-41"32"-34"32"-33"L42"-44"34"-37"33"-34"XL45"-48"38"-40"34"-35"XXL49"-51"41"-44"35"-36" | Smartwool | Men's Active Ultralite Short Sleeve | Size Extra Large In Charcoal Heather