What is the purpose of wearing a white shirt under a suit jacket? Is it necessary to also wear a white belt with pants to match the color scheme of the outfit?

How to Match Colors of a Tie, Suit, and Shirt: 13 Steps

What is the purpose of the second button on a suit jacket if it's supposed to be left undone? - Quora

The 50 Best Color Combinations for Clothes - Color Meanings

Casual Wedding Attire for Men, What To Wear

Is it necessary to wear a white shirt with a suit, or can I wear a shirt of any colour? - Quora

How to Wear a White Suit – StudioSuits

Overview of the Different Parts of a Suit – StudioSuits

What Should Men Wear With A Navy Suit? (Style And Accessories)

How To Wear A Navy Suit - 5 Killer Outfits

The Anatomy Of A Suit Jacket: A Comprehensive Vocabulary

qph.cf2.quoracdn.net/main-thumb-360907400-200-dlrm

How to Wear a Coat over a Suit - The Guide - Hockerty

Formal Wedding Attire for Men, Wedding Guide, SUITSUPPLY US

How to wear a red suit? – Flex Suits

What is the purpose of the second button on a suit jacket if it's supposed to be left undone? - Quora