HAVEN Polartec® MicroGrid

Lightweight Polartec® MicroGrid® as breathable insulation is ideal as a next-to-skin baselayer, keeping you warm in cold conditions and dry and cool in warm conditions. This super soft, fast-drying, and insulating fabric is made from premium polyester yarns. The thin, micro-sized fibers are soft against the skin, and the grid pattern creates open channels that enhance breathability.