The Gridfleece Zip Top in Performance Olive colourway features warm Gridfleece fabric to distribute body heat, then when you need to dump excess heat the Neck Zipper allows you to vent quickly. In field comfort with thumb loops and a chest pocket, the mid-layer Gridfleece top will be a staple garment in your kit. The Gridfeece top is a packable top that is extremely warm for its weight, and a go-to piece for active pursuits in the mountains or for chilly mornings outside.