The North Face Mens Thermoball Vest Black The Thermoballtechnology insulation within this giletis design to mimic the insulating qualities of traditional down, but also, perform under more demanding circumstances, like in the wet. Thermoballis small round synthetic fibreclusters that are superior in lightweight & warmth performance, even when you get caught out in the rain. Highly compressible, the vest can be stuffed into its own pocket for minimum space when stored for travel. Two zip close hand warmer pockets are situated at the sides & the front has a full zip. Sleeveless gilet design Thermoball insulation Zip front Hand warmer pockets Stow pocket Embroidered logo at front & rear Description by Rob