Achieving phenomenal warmth in cold and wet weather, this vest features PrimaLoft& amp #174 ThermoBall& amp #8482 technology, TNF& amp #8482 ' s new synthetic alternative to down. Nylon ripstop shell: & amp #8226 Lightweight, yet highly durable 15D ripstop shell. & amp #8226 DWR (durable water repellent) finish offers water-resistant protection. & amp #8226 33 g/m& amp #178 fabric weight. PrimaLoft ThermoBall insulation & amp #8226 Round bunches of PrimaLoft synthetic insulation are designed to mimic the high warmth and low loft of natural down clusters. & amp #8226 Breathable, water-resistant design improves passage of moisture vapor from perspiration without taking on extra weight. & amp #8226 Lightweight and highly compressible for easy packing. & amp #8226 Synthetic fibers retain insulating properties even when wet. & amp #8226 Independently CLO-tested to imitate 600 fill-power insulation. & amp #8226 9.5 g/m& amp #178 fabric weight through body. & amp #8226 15 g/m& amp #178 fabric weight through collar. Highly compressible design is packable into the hand pocket. Stand collar. Full-length zip with inner draft flap. Sleeveless. Zip hand pockets. Straight hem with elastic drawstring. Logo embroidery at the chest and back shoulder. Shell: 100% nylon Insulation: 100% polyester Lining: 100% nylon. Machine wash cold, tumble dry low. Imported. Measurements: Length: 25 in Product measurements were taken using size SM.