Button down collar - A classic collar where the points of the collar are held in place with buttons.
Fit
Slim fit - Fits close to the body, with a tighter arm and a more tapered shape at the waist than the Regular fit. Suitable for a slim body shape.
Fit
Regular fit - Or Classic fit, has a looser design around the arms and chest for comfort and movement. The fit around the waist is straighter and longer than Slim fit. Suitable for most body shapes.