Iris SpriteMen Hooded Plaid Shirts Button Splice Sweatshirt Long Sleeve Lattice Tops

Which size would be proper for a male of 179 cm of height and 85 kg?. He is very strong and with a big chest and arms but usually wears L

Can you machine wash this shirt?

Are these plaid shirts true to size?

can anyone please tell me what size needs to be ordered for a 45 inch chest