Marmot Size ChartThis Marmot® Wiley Jacket has just enough breathability and warmth to make it perfect for a lightweight layering option on the trail.Regular fit is eased, but not sloppy, and perfect for any activity.Polartec® Classic Fleece• Polartec® Classic emphasizes warmth, comfort, and breathability.• Lightweight fabric that is excellent as a warm single layering piece.• 300 weight fabric insulation.Angel-Wing Movement™ at the shoulders allow for full range of movement without letting the cold air in.Stand collar provides additional coverage when you need it.Long sleeves are loose through to the cuffs.Full zip closure in front with an internal draft flap.Zip close hand pockets let you stash small items.Elastic binding on the cuffs and hem help keep the elements at bay.Reinforced contrast panels on the back, shoulders, and chest provides added durability.Branding on the left chest and back right shoulder.100% polyester;Lining: 100% polyester.Machine wash, tumble dry.Imported.Measurements: Length: 27 in Chest Measurement: 46 in Sleeve Length: 37 inProduct measurements were taken using size MD. Please note that measurements may vary by size.