This material is sold by the yard.Tan 499 Lightweight fabric, made for movement.Power Grid™ fabric detailPower Grid™ Key Features & Benefits.Bi-component Knit.Superior wicking.Highly breathable.Warmth without weight.Efficient performance.Lightweight. 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. It's grid design creates open air channels to increase breathability and reduce bulk, while enhancing thermoregulation. Comfortable and ultralight fleece, keeping you warm without weighing you down. Breathable knit keeps heat in when it's needed, lets it out when it's not. Removes moisture to keep you in the moment, without distractions. Compressible for easy packing