The Estela Jacket is lightweight with high thermal performance. The Primaloft insulation is combined with a windproof and water resistant finish. The vest will compress into an internal stow pocket. The collars added height ensures that the face is protected from the elements and the single handed adjustable hood will not limit visibility. This item is a great piece to accompany you every time you visit the mountain. It will layer well under a hard shell, or go it alone in most conditions.