SW016544 Smartwool Men's Active Ultralite Short Sleeve Tee Simple but practical, the Men's Sport Ultralite Short Sleeve tee is soft yet functional, for all-day comfort and utility. its super-light performance fabric—a blend of ZQ-certified Merino wool with TENCEL Lyocell fibers, this performance fabric will help keep you cool when your intensity amps up, and its design helps minimize chafing. Plus, it's odor-resistant, breathable, and temperature-regulating, all helpful features when you work up a sweat. With a body-hugging athletic fit, this tee will keep you looking and feeling good, wheather you're pumping iron at the gym or hitting the trail for a hike. Fit: Athletic Smartwool's athletic fit is body-skimming, enhanching the body in motion This ultra-lightweight, super-soft, blended Merino and Tencel performance fabric is designed to help you stay cool and comfortable when you work up a sweat Odor-resistant Offset shoulder and side seams designed to increase comfort and minimize chafing Reflective elements for added visibility in low-light conditions Fabric 53% Merino Wool, 47% TENCEL Lyocell Product Care Machine wash cold gentle cycle Wash with like colors Do not bleach Tumble dry low Cool iron as needed Do not iron decorations Do not dry clean