evo.com | Smartwool Activewear Tees > The Smartwool Active Mesh Short-Sleeve Shirt uses a merino and Lyocell blend up front for natural moisture management and a soft feel against skin, while mesh panels across the sleeves and back maximize airflow where you run hot. Offset shoulder and side seams reduce irritation on longer efforts, a drop-tail hem adds coverage when you're moving, and reflective details boost visibility at dawn or dusk. Regular Fit Front Body / Collar 53% Merino Wool / 47% Lyocell Sleeves / Shoulders / Back Body 38% Merino Wool / 33% Lyocell / 29% Polyester Drop Tail Scooped Hem Reflective Elements | Smartwool Active Mesh Short-Sleeve Shirt Men's 2026 - Large Blue | Wool/Polyester