Marmot Onward Insulated Jacket - Womens Birch Bark Medium. With a nylon ripstop shell that repels water-and an effortlessly cool matte finish-this synthetic insulated jacket will be your go-to for every trip out the front door. Specifications for Marmot Onward Insulated Jacket - Womens: Manufacturer: Marmot Apparel Fit: Regular Gender: Female Age Group: Adults Package Contents: Marmot Onward Insulated Jacket - Womens Marmot 195115377434: Onward Insulated Jacket - Womens Birch Bark Medium