Polartec® is the premium provider of innovative and sustainable textile solutions.

Polartec® Fleece Series is the original soft fleece, that sets the industry standard for warmth without weight, high breathability and long-lasting durability in a synthetic knit. Available in four weights: Micro, 100, 200 and 300.

Fabrics formed in Hudson, New Hampshire, and finished at Polartec Tennessee Manufacturing (PTM) in Cleveland, we continue the tradition of relentlessly innovating the best fabrics, a tradition born from our origins at Malden Mills over a century ago.

From the original synthetic fleece to the most advanced high-output insulations, Polartec offers the widest range of fabrics specialized to keep you warm.

Polartec® Power Grid™ is a lightweight fleece base layer designed to optimize and regulate body temperature. The proprietary grid fabric construction bi-component knit wicks away moisture and transfers it to outer layers for fast evaporation.

Polartec’s wide-range of base layer fabric platforms always put performance next-to-skin, for any activity or weather condition.

Polartec® Alpha™ active insulation regulates body warmth for optimized comfort during stop-start activities. Tough, yet lightweight, it's lofted fibers, mesh core and hydrophobic qualities make Alpha™ dependable, highly breathable and fast drying.

Polartec® Power Dry™ is an all-weather base layer, built to quickly wick moisture away from skin to outer layers during activity. A highly breathable and fast-drying fabric, this lightweight bi-component knit material is comfortable next-to-skin, preventing saturation and regulating temperature with efficient moisture management technology.

Partner Product Release: Ryzon Phantom Running Insulated Vest X Polartec® Alpha™

Polartec® Power Wool™ combines the classic comfort and thermoregulation of wool with the base-layer fabric performance of advanced synthetic fibers. The proprietary bi-component knit in Power Wool™ is a one-of-a-kind highly breathable and naturally odor reducing fabric.