Although it's labeled as a Large size, please refer to the actual measurements. Measured flat: Length: approximately 72cm Width (armpit to armpit): approximately 60cm Sleeve length: approximately 68cm (This is an estimate, as there are no shoulder seams, so it's based on a typical shoulder seam position) Made of thin nylon. ■ Mountain Hardwear MOUNTAIN HARD WEAR ■ Dry Q EVAP: A jacket with Dry Q EVAP, a highly water-resistant and breathable technology. ■ Dry Q EVAP combines excellent waterproof and breathable performance with quick-drying properties. The grid-like print on the back promotes absorption and quick drying, keeping the body dry and comfortable. Suitable for rain shells for hiking and everyday use.