Alpha Industries Men's Ma-1 Bomber Flight Jacket 100% Nylon; Lining And Fill: 100% Polyester Imported Dry Clean Only The classic iconic Flight Jacket from Alpha Industries the leading manufacturer of the MA-1 for the U.S. Military Updated Flight Grade Nylon outer shell reverses to emergency orange interior Classic military fit with authentic heavy gauge zippers and hardware Water and wind resistant comfort range intemperatures from 25-40 degrees Fahrenheit Ribbed neck, wrist and waistband and signature Pencil Pocket on left sleeve are signatures of the Alpha MA-1