Hollow core fibers create lightweight insulation

Our latest moisture-managing KMDAction Zip Top baselayer will help regulate your temperature as your tempo increases and lowers. 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 harnessed the most advanced, next-to-skin moisture-managing fabric - Polartec Power Dry - to help take your outdoor adventures to the next level. Made with eight recycled plastic bottles.

Antimicrobial treatment inhibits odor formation through consecutive wear days