The Kokatat Men's Power Dry OuterCore Long Sleeve Thermal Shirt pulls moisture from your body allowing your breathable top to perform. OuterCore is incredibly soft and comfortable for all day use while keeping you as warm as possible on the water. On its own or layered with Kokatat BaseCore or WoolCore items, OuterCore can handle any weather situation. Paddling specific design and a durable jersey face enables smoother layering with outer suits and tops. This layer is made in the USA!