Smartwool Men's Active Mesh Short Sleeve Float Like a Butterfly, Sting Like a Bee The Men's Active Mesh Short Sleeve tee is made to keep you cool and dry during workouts or trail adventures. It combines Merino, recycled polyester, and Lyocell for natural sweat control, quick drying, and a soft feel. Mesh vents in the sleeves and back boost airflow for sweaty uphills, summer hikes, or biking around town. Features MerinopolyesterLyocell blend, balances odor control and durability Mesh panels at sleeves and back, for ventilation Relaxed fit, offers easy movement Droptail hem, gives extra coverage Reflective details, help improve visibility MFG#: SW002293SPECIFICATIONSIntended Use Multi-Sport Fit Men's - Regular Material Front: 53% Merino Wool, 47% Lyocell | Back/Sleeve/Shoulders: 38% Merino Wool, 33% Lyocell, 29% POlyester 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 Mesh Short Sleeve | Size Extra Large In Limeade | Polyester