The Gridfleece Zip Top can be layered with thermals for cold conditions or as a stand alone garment. Featuring Gridfleece fabric to distribute body heat, then when you need to dump excess heat the ¾ zipper allows you to vent quickly. In field comfort with thumb loops and chest pocket the mid layer Gridfleece top will be a staple garment in your kit. The Gridfeece top is a packable jumper that is extremely warm for its weight, a go to piece for active pursuits in the mountains or for chilly mornings outside.