For a medium weight top that's great for the gym or a cool morning walk, choose the Columbia® Midweight II Half-Zip Top for ladies. This Columbia half-zip pullover top is the ideal workout wear for indoors or outdoors. Omni-Heat™ thermal reflective helps retain warmth, while the half-zip neck allows core venting. Omni-Wick™ moisture wicking dries quickly and an antimicrobial treatment fights odor-causing bacteria. The 100% nylon Columbia Midweight II Half-Zip Top has ergonomic seaming to move comfortably with you. Machine wash. Imported. Manufacturer style #: AL6512.