Brooks Notch Thermal Long Sleeve Women's (2020 Version) Stay warm and toasty on your runs in the Brooks Notch Thermal Long Sleeve. This long sleeve running shirt uses thermal fabric to wick away sweat, keeping you dry and comfortable after every mile. Soft, notched interior wicks away sweat but keeps in heat. Antimicrobial finish keeps the sweat smell out in between washes. Small zip pocket at shoulder keeps valuables secure while you run. Sizing Small: 35-37" chest Medium: 37-39" chest Large: 40-42" chest X-Large: 43-45" chest *Measurements refer to body size, not garment size.