Amazon EssentialsMen's Lightweight Water-Resistant Packable Puffer Vest

zippered pockets, or not? inside pockets?

I am 5’7” tall I weigh 205 lbs (waist 37-38); should I get a size medium, large or an extra large? Thank you.

How small is this when packed away?

I bought a vest before that was 2x but it was too small will 2x plus give the extra space i need or should i get a 3x plus?