Exceptionally versatile, the Kyanite Jacket functions as a mid layer or standalone piece, and delivers performance across a range of activities. Combining warmth, mobility and moisture management, Polartec Power Stretch Pro allows airflow for thermal regulation and has an abrasion-resistant nylon face for durability. The fabric’s four-way stretch combines with articulated patterning and gusseted underarms for superior freedom of movement, and the trim fit hugs the body and layers easily under a shell. Moisture-wicking. Durable. Air permeable. Brushed fleece interior. Trim fit for base layer or light mid-layer use. 53% Polyester / 38% Nylon / 9% Elastane. Care Instructions: Machine wash in cold water, wash dark colors separately, do not use fabric softener, hang to dry, do not iron.