The North Face Mens Thermoball Full Zip Jacket Rage Red The Thermoball Full Zip jacket from The North Face is a completely packable but highly insulated jacket that makes it a perfect layer for all season whilst maintaining all mountain performance. The jacket is constructed using Prima Loft synthetic insulation to create the thermoballpockets which are fully breathable whilst stopping cold air from getting through. The jacket is an active fit which is a streamlined fit that allows you enough movement for any kind of activities you may want to do in it. The jacket has elastic cuffs on the sleeves, pull cords at the bottom of the jacket to keep cold air out, two hand pockets & stows away into the pockets for ease of carry. Great as a mid or outer layer. TNF Thermoball technology Folds into pocket Rage red Waist cinch-cord system Description by Adam.