Gramicci's Willow Button-down is one of the newest additional to the NPT essential line. Clean lines and classic pockets make the Willow a great understated basic to add to your Fall and Winter wardrobe. Made of Gramicci's NPT Senna fabric is a special blend of hemp and GOTS certified organic cotton. This fabric is moisture absorbent, breathable, fast drying, and odor resistant. Our double traverse stitch provides high performance ventilation that keeps the body dry and warm during exertion.