Womens-Specific Performance High-Back Life Jacket. Designed with the performance female paddler in mind, the Solitude jacket comes equipped with many features and adjustments that are designed to keep you on the water in comfort longer. Featuring a high-back construction which nests comfortably with tall kayak seats. Womens AirComfort system, specifically shaped to accommodate a womans bust, is designed to keep you cool on the hottest days.