When people are purchasing shirts they normally just go for an off the shelf one that is probably pre-packed with a matching tie. The problem with these is that the fit might not be perfect. If you choose to get a custom made shirt you will not have the problem of having an uncomfortable shirt that will either be too big or too small. Similarly to bespoke suits custom made shirts will cost more than pre-packed off the shelf shirts.
The main reason why people will buy custom made shirts is because most men have rather strange body shapes so in this case the off the shelf option just is not going to fit them properly. This could be due to big arm 印 hoodie, big shoulders, longer than usual arms or many other irregularities. A Specially tailored shirt will fit much better because the cutter of the shirt material will shape it to allow for size irregularities.
A benefit of custom tailored garments is there is far more different alternatives with regards to colours, fabrics and styles available. There is much more of a choice of specially tailored shirts. This is because the retailer can have a book with hundreds of different options of shirts with simple cloth samplings but a retailer cannot stock hundreds of different styles of pre-packed shirts because there is a danger that they will not sell these shirts.
The advantage of the made to custom made shirt style books are that they will still be able to show styles and patterns that are not in stock in the shops anymore because the style has gone out of fashion but are still available to order if a customer wants to.
By choosing a custom made shirt you could have the option of getting your tailor to add extra features to the shirt like unique linings, button holes, ticket pockets, rolled collars, hand cuts, fancy buttons and many others too. It is now much easier to find tailors on the internet, there are various websites that let people search for tailors. The tailors can provide samples of their work and there is also rating systems and customer reviews available to give you the choice of the best tailors available in your area.