Insulation | Polartec® Micro Series

Ultra-light fleece engineered for everyday thermal insulation. Polartec® Micro Series is your go-to choice for warmth without bulk. Its compact design and fine knit structure retain body heat while allowing for excellent breathability. Ideal for layering, fast-drying, easy to pack, and built to last. Polartec® insulation, in its lightest fleece form. The original synthetic fleece. Often imitated, never matched.