AllthemenMens Casual Blazer Slim fit Long Sleeve Jacket Washed Cotton 3-Button Casual Suits Blazer Jackets

Two different Khaki designs are displayed in ad. One with dark buttons and the other with lighter coloured buttons. Which of them is on sale?

Is the m really a 44,8 inch chest? that seems huge? im normally a 40-42 jacket guy. which size to get here?

Theres two different jackets on picture when I choose black, both with three buttons, but one with way higher buttons. Which is it?

There’s different size charts shown here. Two different size charts in the pictures. Three different charts in description. Which is the right chart?