Craft - ProZEROextreme WS Short Sleeve (Black) - Apparel: The all new Zero Extreme combines the best of the Pro Zero and the Pro Cool for a base layer that keeps you comfortable in all weather conditions.
The Pro Zero Extreme pulls moisture away from your body to the outer layer where the weave of the cool fibers promotes air circulation to dry the fabric without cooling off your body.
Thin and lightweight construction is complemented with an elastic fit for comfort.
Antimicrobial treatment which helps prevent fabric odor.