How To · Fashion · Wear
The Complete Guide to Tailoring Your Basics
A well-fitted white button-down or tailored trouser transforms your entire business-casual game. Here's exactly what to alter and why.
5 min read · IrisTailoring separates the polished from the merely present. A $40 cotton shirt becomes invisible when it drowns you; the same shirt hemmed, tapered, and fitted becomes your secret weapon. Business-casual dressing lives in proportion—and proportion is something a tailor can fix in minutes.
You don't need to overhaul your entire closet. Focus on the pieces you actually wear: trousers, button-downs, and blazers that form the spine of your rotation. This guide walks you through which alterations deliver real value and how to brief your tailor so nothing gets lost in translation.
A tailor isn't a luxury—they're the difference between clothes that fit and clothes that work.
What you'll need.
- 01A trusted local tailor (ask for referrals or check reviews)
- 02A full-length mirror
- 03The shoes you'll wear with each garment
- 04A notepad for fit notes and measurements
- 05Your regular undergarments
Step one · 3 minutes
Identify which basics are worth tailoring
Start with pieces you've worn at least five times in the past month. Trousers, button-downs, and blazers in neutral colors (navy, black, white, gray, camel) are your priority—they're versatile enough to justify the investment. Skip trendy pieces or anything you're still unsure about. A basic white cotton shirt or pair of wool trousers will repay tailoring costs within a season of regular wear.
Check the fiber content: natural fibers (cotton, wool, linen) tailor beautifully. Cheap synthetics often pucker or pull after alteration.
Step two · 5 minutes
Learn the four essential alterations
Hemming (trousers, skirts, sleeves) is non-negotiable—hems that hit mid-shoe look sloppy. Tapering the side seams of trousers or shirts creates shape without bulk. Taking in the waist band of trousers gives you a custom fit without buying a new size. Shortening or adjusting sleeve length on blazers and shirts prevents the drowned-in-fabric look. These four moves handle 90% of fit problems.
Sleeve length is underrated: blazer sleeves should end at your wrist bone, dress shirt sleeves a half-inch past your wrist. This single adjustment reads as intentional.
Step three · 4 minutes
Prepare your garment for the tailor
Wear the garment with the shoes and undergarments you'll pair it with most often—this affects how a tailor marks hems. Try it on in front of a mirror and note specific concerns: Does the shoulder seam sit right? Does the waist pull? Is the sleeve too long? Write these down. Bring the garment clean and pressed; a tailor can work with wrinkles, but clean fabric shows their work better.
If you're hemming trousers, wear the exact heel height you'll wear them in. A half-inch difference in heel height changes everything.
Step four · 5 minutes
Brief your tailor with specifics, not vague requests
Say "I'd like the inseam hemmed to 29 inches" instead of "make it shorter." Point to the exact spot where you want the hem to hit. For tapering, show them how fitted you want it—bring a reference garment that fits well if needed. Avoid saying "make it look expensive" or "make it perfect"; tailors work with measurements and your body, not magic. Ask about turnaround time, pricing, and whether they'll do a fitting adjustment if needed.
Ask if they offer rush service. Most tailors can turn around a simple hem in 3–5 business days, but knowing upfront prevents frustration.
Step five · 3 minutes
Pick up and inspect the finished work
Try the garment on in the tailor's shop if possible. Check that hems are even, seams are straight, and the fit matches what you discussed. Walk around, sit down, move your arms—you'll feel immediately if something's off. Most reputable tailors offer one free adjustment if the fit isn't right. Don't be shy about asking for a tweak; you're paying for precision.
Keep the tailor's contact info. Once you find someone who understands your fit preferences, you'll return again and again.
Step six · 2 minutes
Build a tailoring routine
Plan to tailor one or two new basics per season as you add to your rotation. Keep a running list of pieces that need work—don't let them pile up unworn. Once you've tailored your core basics (two or three trousers, two or three button-downs, one blazer), maintenance is minimal. Most tailors charge $15–$40 for simple hems and $30–$60 for tapering, so budget accordingly.
A well-tailored wardrobe of five pieces beats a closet full of ill-fitting clothes. Quality over quantity applies to fit, too.
How to know your tailoring worked
The right fit is immediate and obvious. You'll reach for tailored pieces first because they feel intentional and polished. Seams should sit at your shoulders, hems should hit cleanly, and there should be no pulling, bunching, or excess fabric. Most importantly, you'll feel the difference in how you move and present yourself.
Questions at the mirror.
How do I find a good tailor?
Ask for recommendations from friends or check Google reviews in your area. Visit in person with a simple garment first—a basic hem is a good test of their precision and communication style. A good tailor will ask questions, not assume.
Can everything be tailored?
Most natural-fiber basics can be altered. Stretchy or delicate fabrics are trickier. Discuss your garment's fabric with the tailor before committing—they'll tell you if it's a good candidate.
What if I lose or gain weight?
Tailoring assumes your body is stable. If you're in flux, wait until your size settles before investing in alterations. A tailor can let out or take in seams once, but there are limits.
Is tailoring expensive?
A simple hem costs $15–$30. Tapering runs $30–$60. A blazer overhaul might hit $100+. Spread costs across a season and it's manageable. Think of it as extending the life of pieces you already love.