Piloted by Burton pro Kimmy Fasani, the ultra-packable women’s Burton [ak] Helium Jacket regulates core temperatures via engineered stretch insulation, while maintaining a tailored women’s silhouette that slides easily under a shell. Integrated insulated panels harness military-grade insulation to provide maximum comfort and ultra-breathable warmth where your body demands it most. Buttery soft and water-repellent stretch ripstop fabric and thread enables maximum mobility while strategically placed stretch insulation at the underarm and side panels dump today’s moisture, yesterday.