Button down collar - A classic collar where the points of the collar are held in place with buttons.
Collar
Cut away collar - A shorter collar with a wider space between the collar tips, the tips cut away from the shoulders instead of pointing down as on a classic shirt collar. With a horizontal line is this collar best suited for wide or large tie knots
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.