MATERIAL: • Made from ultra-lightweight POLARTEC 100 micro-series fleece designed specifically for next-to-skin layering OTHER FEATURES: • Provides warmth and super-soft comfort while also offering moisture management and quick-drying characteristics to keep you dryer • Micro-series fleece is non-pill and breathable • Includes a mock neck collar • Flatseam construction throughout • Can be layered with any of the POLARWEAR series underwear for added comfort