Built to be a staple in your year-round layering system. When worn as a base layer in cold conditions, the Polartec® Powergrid™ stretch material pulls excess moisture away from your skin for a dry and warm next-to-skin barrier. In warmer temps, you can wear it as a lightweight layer for summer climbing. Offset shoulder seams reduce contact with pressure points when wearing a backpack. A stretch chest pocket offers quick access to essentials. Designed in collaboration with our athletes, the Eiger Nordwand Advanced FL Half Zip Hoodie is a versatile layer for alpine objectives.