Ultralight Nylon Wind Jacket An ultralight running jacket designed for protection against wind and light rain in changing conditions. Constructed from featherweight Japanese nylon, it combines packability with durability and abrasion resistance for active outdoor use. A wide back vent enhances airflow during high-output efforts, while adjustable waist cords allow a customizable fit. The jacket packs into its own rear envelope pocket for easy storage on the move. A non-PFC durable water-repellent finish adds extra protection in unpredictable weather. Key features Ultralight and packable construction Wind and light rain protection Durable Japanese nylon with abrasion resistance Back ventilation panel for airflow Adjustable waist cinch cords Packs into rear envelope pocket Non-PFC durable water-repellent finish Materials 100% nylon Fabric weight: 53 gsm