Getting the size right is the single most important part of buying trousers, especially online where you cannot try before you buy. The wrong size is the most common reason trousers get returned, and it is entirely avoidable. This simple trouser size guide walks through how to measure, how to read a size chart, and when to size up or down. See the range at Italian Colony as you follow along.
Measure Before You Buy
The most reliable way to get the size right is to measure yourself rather than guess. You need two key measurements: your waist and your inseam.
| Measurement | How to Take It |
|---|---|
| Waist | Measure around your natural waistline, where the trousers will sit |
| Inseam | Measure from the crotch to the bottom of the ankle |
Use a soft measuring tape and keep it level. These two numbers are all you need to match yourself to any size chart accurately.
Read the Size Chart, Not the Label
Sizing varies between brands, so your usual size elsewhere is not a reliable guide. Always match your waist and inseam measurements to the specific brand's size chart. Most quality trousers run from size 30 to 38, but the exact measurements behind each number differ, which is why checking the chart matters every time.
Sizing by Fit: Up or Down
If you fall between two sizes, the fit style decides which way to go. In a relaxed fit, sizing down usually keeps the waist secure while still giving room through the leg. In a formal or tailored fit, sizing up can add comfort and prevent the pair from feeling tight. Knowing your intended fit makes the between-sizes decision simple. Explore comfortable options in the Relaxed Trouser collection.
Use Reviews to Confirm
Reviews are a valuable second check. Look for comments on whether a pair runs small or large, which tells you if you should adjust from the size chart. If several reviewers say a trouser runs small, sizing up is wise. This real-world feedback fills the gap left by not being able to try the pair on. Browse smarter styles in the Formal Trouser collection.
Do Not Forget the Length
Waist size is only half the picture. Use your inseam measurement to ensure the trousers break cleanly at the shoe rather than pooling at the ankle. If a pair is slightly long, it can usually be hemmed, but getting the inseam close from the start gives the best result without extra effort.
Frequently Asked Questions
How do I choose the right trouser size?
Measure your waist and inseam, match them to the brand's size chart, and adjust up or down based on the fit and reviews.
How do I measure my waist for trousers?
Measure around your natural waistline, where the trousers will sit, using a level soft measuring tape.
What is an inseam and how do I measure it?
The inseam is the length from the crotch to the bottom of the ankle. Measure along the inside of the leg.
Should I size up or down in trousers?
In relaxed fits, size down if between sizes. In formal or tailored fits, size up for comfort.
Can I rely on my usual size when buying trousers?
No. Sizing varies between brands, so always check the specific size chart rather than assuming.
What size do trousers come in?
Most quality trousers run from size 30 to 38, though the measurements behind each size vary by brand.
How do I know if trousers run small or large?
Check the reviews. Comments noting whether a pair runs small or large help you adjust from the size chart.
How do I get the trouser length right?
Use your inseam measurement so the trousers break cleanly at the shoe rather than pooling at the ankle.
Can trousers be altered if they do not fit?
The length can usually be hemmed, and the waist can often be taken in slightly, though it is best to get the size close first.
What if I am still unsure about the size?
Choose a relaxed fit, which is the most forgiving, and buy from a store with an easy exchange policy.
Get the Size Right
Measure accurately, follow the size chart, and adjust by fit and reviews, and you will get the size right the first time. Explore the full Relaxed Trouser collection, or visit the Italian Colony homepage to browse in sizes 30 to 38.
