The North Face Size Chart Achieving phenomenal warmth in cold and wet weather, this vest features PrimaLoft® ThermoBall™ technology, TNF™’s new synthetic alternative to down. Nylon ripstop shell:• Lightweight, yet highly durable 15D ripstop shell.• DWR (durable water repellent) finish offers water-resistant protection.• 33 g/m² fabric weight. PrimaLoft® ThermoBall™ insulation• Round bunches of PrimaLoft synthetic insulation are designed to mimic the high warmth and low loft of natural down clusters.• Breathable, water-resistant design improves passage of moisture vapor from perspiration without taking on extra weight.• Lightweight and highly compressible for easy packing.• Synthetic fibers retain insulating properties even when wet.• Independently CLO-tested to imitate 600 fill-power insulation.• 9.5 g/m² fabric weight through body.• 15 g/m² 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: 27 in Product measurements were taken using size MD. Please note that measurements may vary by size.