JUARI BE A GENTLEMANMen's Cotton Regular Fit, Sleeveless, Stringer Y Back Tank Tops Look

My Chest size is 39, in size chart M size is 40, will it fit me? I want it to be exact fit for my body

Is it cotton?? Or drifit??

Chest 37 waist 30 which size i go ?

Which size is suit for 37 inch chest