Style & fit
How Should a Suit Fit? 8 Checkpoints
Question answered: “How do I know if my suit fits properly?”
By Tony Ram, Second-generation owner, Peninsula Bespoke Tailor · Updated
A well-fitting suit passes eight checks: the collar hugs your shirt collar, shoulders end where yours do, the chest lies flat, the jacket button closes without pulling, sleeves show about 1-1.5 cm of shirt cuff, the jacket covers your seat, trousers sit cleanly at the waist, and the hem just touches your shoes.
What are the 8 checkpoints?
| Area | Good fit | Problem sign |
|---|---|---|
| Collar | Hugs the shirt collar | Gap at the back of the neck |
| Shoulders | End at your shoulder bone | Dents or overhang |
| Chest | Lies flat | Ripples or pulling |
| Button | Closes smoothly | X-shaped creases |
| Sleeves | Show 1-1.5 cm of cuff | Cover the cuff entirely |
| Jacket length | Covers your seat | Too short or too long |
| Trouser waist | Sits without a belt cinching it | Gaps or tightness |
| Trouser hem | Light or no break on the shoe | Pooling fabric |
Which problems are hard to fix later?
Shoulders and overall jacket length are the hardest to change, which is why they're checked first at the fitting.
How do I test it?
- Raise your arms
- Sit down
- Reach forward
- Look at the back in a mirror
Frequently asked questions
- How much shirt cuff should show?
- About 1-1.5 cm.
- Should a suit be tight?
- Close but comfortable; you should move freely.
- What if my suit doesn't fit later?
- Our Perfect Fit Guarantee includes free alterations.
Your Bangkok tailor
Make your garment with Peninsula Bespoke Tailor
Bring what you learned in this guide to a personal fabric and fitting consultation. Visit us at 839 Silom Road, Soi 17 and Pramuan Road, Bang Rak, Bangkok 10500, Thailand. We are open daily 09:00–21:00. Call or WhatsApp +66 89 477 9926 or email info@peninsulabespoketailor.com.





