Synthetic fill - Insulation reduces heat loss and increases warmth, even in the coldest temperatures 15D nylon ripstop with Thermoball™ insulation Body-mapped Thermoball™ insulation: 11g/ft2 throughout the body, 9.5 g/ft2 under arms, 13 g/ft2 in collar Attached, adjustable hood Exposed moulded-tooth centre front zip Internal elastic cuff Secure zip hand pockets Stowable in pocket Hem cinch cord Internal Zipped Pocket Stay warm in The North Face's midweight Thermoball Hooded Women's Insulated Jacket. Superbly insulated, the Thermoball™ Hoodie is built to trap in warmth. This lightweight insulation works even when wet, so you have one less thing to worry about. Compressible, this jacket stows away in its own pocket so it's ideal for travelling. With an adjustable hood, hem cinch cord and secure pocket, you'll have a snug, comfortable fit.