The Alpha Industries NASA Astronaut Flight Jacket in size M is a rare and stylish bomber jacket perfect for casual occasions. Made from durable nylon with a grey colour, this regular fit jacket features a zip closure and polyester insulation for warmth. This authentic Alpha jacket is a must-have for any man looking to make a statement with their outerwear. Alpha Industries NASA Astronaut Flight Jacket 100th Space Shuttle Mission Grey 3M Medium Size Mens/Unisex USAF