The Zion Thermal Leggings are designed to help you spend long days on the slopes.Zion is part of the PVRE Green line, which is technical clothing associated with sustainability.When creating Zion, the Protest brand collaborated with REPREVE, a specialist in transforming used plastics into premium functional fabrics.This technical fabric is lightweight, moisturewicking and offers excellent insulation, while also being quickdrying.The fabric also offers a 360degree stretch, ensuring maximum flexibility during a variety of activities.Zion also has mesh panels, which makes the fabric highly breathable.All of these features work together to keep you warm, dry, and as comfortable as possible.