Michelsons of London Evening Dress Shirt Wing Collar Neck size 17.5 inch Regular

Back shoulder pleats

Actual shirt Measurements:
Chest  54 inch  (around armpits)
Waist   54 inch
Centre back length 33 inch
Sleeve Length 35.5 inch  (from centre neck)

Material:  60% Cotton, 40% Polyester
Machine Washable

Also on j-the-best & c-the-best