Used Rab Infinity G size small. Tiny pin hole in arm and one area of the jacket has been repaired by Rab HQ as it got a tear during a hike. From the web, here’s the details on the jacket: This is a Packable down jacket designed for high altitudes and low temps • 850+ fill down makes this puffy insulator light and warm • Hydrophobic treatment helps down retain loft in damp moisture • Ultralight Pertex Quantum GL fabric optimizes down's loft • Helmet-compatible hood with stretch binding and adjustments • Hem drawcord and elastic stretch cuff solidify coverage