Outpace the cold with the rabbit Outrun Mock Neck. From its mock-neck design to the ever-important thumbholes on the sleeves, this top is all about keeping you comfortable when the temperatures drop. Wear it as a main layer or baselayer and get excited for your winter runs—this shirt is cut from a blend of polyester and wool that makes it temperature-regulating, quick-drying and odor-resistant. Details Double knit construction for a warm, wool exterior and breathable, mesh interior Midweight fabric Quick-drying, odor-resistant, breathable, sweat-wicking and temperature-regulating Tailored fit with v-notch at back collar and side seams Rounded hem and elbow patches for style Loop at rear neck to easily hang Thumbholes Mock neck