Women's 2XU Ignition Base Layer long sleeve sport shirt. With revolutionary X-HEAT fabric that activates heat to keep you warm in all conditions, the Ignition Long Sleeve Base Layer is the perfect garment for cold weather workouts. Revolutionary X-HEAT fabric with carbon nanotechnology warms you up quickly, while ceramic-infused yarns eliminate far-infrared rays to keep you comfortable in cold conditions. The static-free structure and shape of X-HEAT fabric is designed to wick sweat away from the skin's surface and keep you dry. X-HEAT fabric features natural anti-bacterial and anti-odor technology that keeps you fresh longer between washes, reducing your environmental footprint. Features: Long sleeve base layer. Composition: 94% recycled polyester, 6% elastane.