Synthetic fill - Insulation reduces heat loss and increases warmth, even in the coldest temperatures 15D nylon ripstop with Thermoball™ insulation Thermoball™ insulation: 9.5 g/ft2 throughout the body, 15 g/ft2 in collar Exposed moulded-tooth centre front zip Internal elastic cuff Secure zip hand pockets Stowable in pocket Hem cinch cord Internal zip pocket added Keep in the warmth with The North Face Thermoball Full-Zip Men's Insulated Jacket. This midweight jacket features lightweight Thermoball™ insulation to keep the temperature in, in seriously cold conditions. The Thermoball stilk works even when wet, so you have one less thing to worry about. Compressable and stowable it in its own pocket, this jacket is ideal for travelling. Get the right fit with hem cinch cord and internal elastic cuff.