Insulating AT Optic fleece 2 zippered side pockets Half-zip front Stand-up collar Made from 50% recycled fleece Rely on the Spectrum fleece by Berghaus for long-lasting warmth on your hike. The brand's AT Optic fabric offers superb insulation and durability. This long-sleeved top features a half-zip front to control ventilation and temperature. It has a stand-up collar and a zippered left chest pocket for storing essentials. It is crafted from over 50% recycled fleece as part of the brand's MADEKIND commitment to creating high performance gear that is kinder to the planet.