Nike Therma-FIT technology helps manage your body’s natural heat to help keep you warm in cold-weather conditions. Soft pique knit fabric is lightweight and breathable. 1/2-zip design helps make changing easy. Machine wash This 1/2-zip Tour top provides an essential layering piece for brisk days on the links. Its breathable, sweat-wicking design helps you stay cool as the day heats up. A classic fit with stand-up collar easily layers over your polo without sacrificing mechanics.