JACKET STYLES

Tuxedo, (tux) -- The most common, most classic tux jacket, and is worn at formal and semiformal events. Consider the following:

• Single-breasted (with a one- to four-button front)
• Double-breasted (with a two- to six-button front).

For tuxedoes, you’ll find three types of lapels: peaked, notched, or shawl (see below)

Full dress, (tails or tailcoat) -- The jacket is cropped in front, with two tails in the back and a two- to six-button front. This style is considered a must at ultra-formal evening weddings.

Mandarin, (Nehru jacket or Mao jacket) – The stand-up collar surrounds the neck with no lapel and is worn with a Mandarin-collar shirt.

Cutaway (morning coat) – The choice for a formal daytime weddings, the cutaway coat is short in the front, long in the back, and tapering from the front waist button to a wide back tail. This style of jacket comes in black or gray, and is paired with matching striped trousers.

Stroller coat – This suit jacket is cut like a tuxedo jacket, but in a semi-formal way, in black or dark gray. This is the jacket of choice for weddings that occur before 5pm.

LAPELS

Notched lapel -- Has a triangular indention where the lapel joins the collar. This is the least formal lapel style.

Shawl collar – Has a rounded lapel with no notch

Peaked lapel – A broader lapel, in a V-shape that points up and out just below the collar.

SHIRT COLLARS

Wing collar – A standup collar with downward pointing edges, the most formal choice to pair with a tuxedo jacket.
  
Crosswyck – A crossed style in front that fastens with a button or decorative clip

Mandarin collar – Also known as the band collar, it stands up against the neck and is a top stylish choice.

Spread collar – Very much like a standard button-front shirt, but the points in front are wider apart.

SLEEVE CUFFS

Standard dress –Your usual shirt, with sleeves fastened by cuff links

French cuffs – Folded over at the edge and fastened with cuff links

Button-close cuffs – Those that close with a button, inviting button-cover accents.

TIES

Bow tie – The accessory for a formal tuxedo, forms a bow at the neck and may be worn in black or white, depending on your style of wedding and personal color choice. Groomsmen may wear different colored ties, or choose the opposite or same as the groom.

Necktie – The traditional long tie for a formal or more casual look.

Ascot tie – A wide, formal tie that is usually patterned, folded over, and fastened with a stickpin or tie tack. This one is used for ultra-formal daytime weddings, paired with a cutaway coat and striped gray trousers.

Bolo tie – A western look, this one is a thick string tie fastened at the neck.

Euro tie – A combination of the ascot and necktie, this formal look is a square-bottomed tie knotted in style at the neck and worn with a spread collar or wing collar.

ACCESSORIES FOR MEN

Vests (waistcoats) – A vest worn under a jacket, in your choice of color.

Cummerbunds – Pleated circles of fabric worn at the waist, without a vest.

Cuff links – Fasteners for your cuffs. Maybe be simple silver or themed, as there is a huge range of choice out there.