PASOK Men's PU Leather Jacket Causal Belted Faux Leather Motorcycle Jacket Zipper Biker Coat

Are the zippers just for show or are they real pockets?

Is this true to size? My chest is 42 inches big, so i reckoned it would be suitable to purchase a medium. Should i go up in size or stick to the mediu

Does it have an inside pocket?

I wear a large jacket should I get a large or a xl