Smartwool Active Mesh T-Shirt - Men's Burnt Sienna Heather Medium. 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. Specifications for Smartwool Active Mesh T-Shirt - Men's: Manufacturer: Smartwool Sleeve Length: Short Age Group: Adults Gender: Male Application: Outdoor Quantity: 1 Fabric/Material: 53percent Merino Wool 47percent Lyocell Sleeve Type: Short Sleeve Features of Smartwool Active Mesh T-Shirt - Men's Fabric blends the moisture management temperature regulation and odor resistance of Merino with recycled polyester Package Contents: Smartwool Active Mesh T-Shirt - Men's Smartwool SW002293Q82100M000: Active Mesh T-Shirt - Men's Burnt Sienna Heather Medium