The classification of suits is usually divided into three categories

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Product Classification

Ready to Wear (RTW): These are ready-made suits available in various sizes in retail stores.
Made to Measure (MTM): These are ready-made suits that are adjusted for a better fit using a set of measurements.
Bespoke: These are completely custom tailored suits, created from scratch to an individual's exact specifications.
Different Types of Costumes
When it comes to types, suits can vary depending on the source and method of tailoring:

Single-breasted suit: Characterized by a single row of buttons and a narrow overlap of fabric, ideal for most body types.
Double-breasted suit: With two parallel rows of buttons and a wider overlap, creating a more formal look.
Three-piece suit: Includes a matching denmark number data waistcoat (vest) for an added layer of sophistication.
Comparison of Custom Tailored and Ready-Made Suits
When comparing custom suits and off-the-rack suits, consider the following:

Fit: Custom-made suits offer a precise fit that conforms to the individual's body shape, while off-the-rack suits may require minor alterations to achieve the best fit.
Customization: Custom suits allow for extensive customization in fabric choices, button styles, lapel designs, and more. Off-the-rack suits offer limited customization options, usually limited to basic alterations.
Time and Cost: Custom suits usually take longer to produce and are more expensive due to the individual craftsmanship that goes into them. Ready-made suits are available immediately and are usually less expensive.
Quality: The quality of materials and craftsmanship in custom-made suits is usually superior to that of ready-made suits, which are usually mass-produced.