Baselayer, thermal…undies? Whatever you call it, our latest moisture-managing KMDAction Top will help regulate your temperature. It's the foundation of any layering system, and it'll deliver on breathable, quick-drying performance. Designed to fit and stretch, this top has a Polygiene finish to help it stay fresh and is made with polyester and recycled polyester fibres. Plus, we've used moisture managing fabric - Polartec Power Dry - to help take your outdoor adventures to the next level. Made with nine recycled plastic bottles.