SEE MEASUREMENTS AND CORRESPONDING SIZING - This shirt may be smaller than original size small. HARRIER TEE A performance tee made from a soft, lightweight and breathable Merino blend. Versatility Rules We launched our Harrier tops in 2014 and they quickly became the training staple Tracksmith employees swear by. Lightweight, soft, moisture-wicking and odor-resistant, all thanks to the natural properties of Merino wool. Features Moisture-Wicking Quick-Drying Odor-Resistant Merino Wool Blend Fabric 89% Merino Wool/11% Nylon 170 gsm² Care Machine Wash Cool with Like Colors Delicate Cycle Hang Dry