The Smart Shopper's Guide to Buying Clothes Online

Online clothing shopping is convenient — but the return process when something doesn't fit is not. With a few simple strategies, you can dramatically improve your hit rate and stop wasting time on boxes that go straight back in the mail.

Step 1: Know Your Measurements (Not Just Your Size)

Clothing sizes are notoriously inconsistent across brands and countries. A "Medium" in one brand might fit like a "Large" in another. The solution: know your actual measurements.

The key measurements to have on hand:

  • Chest/Bust: Measure around the fullest part of your chest.
  • Waist: Measure around your natural waist (typically the narrowest point).
  • Hips: Measure around the fullest part of your hips.
  • Inseam: For trousers — measure from the crotch seam to the bottom of your ankle.
  • Shoulder width: For jackets and shirts — measure from shoulder seam to shoulder seam.

Write these down and keep them handy. Most online retailers provide a size chart — always compare your measurements against the chart rather than defaulting to your usual size label.

Step 2: Read the Size Chart — For That Brand Specifically

Every brand has its own size chart, and they differ meaningfully. A retailer's size chart is usually found on each product page or in a dedicated "size guide" link. Avoid assuming that your European size or US size translates directly — always verify.

Pro tip: If a brand offers a "fit finder" quiz or virtual fitting tool, use it. These are increasingly accurate at recommending the right size based on your height, weight, and body type.

Step 3: Understand Fabric and Stretch

The material of a garment affects how it fits and whether sizing up or down is appropriate:

  • Non-stretch wovens (cotton shirts, linen, denim): Fit is rigid — if in doubt between sizes, consider sizing up.
  • Stretch fabrics (jersey, spandex blends, knits): More forgiving; these often fit a wider range of body shapes.
  • Structured pieces (blazers, tailored trousers): Fit depends heavily on shoulder width and waist — measure carefully.

Step 4: Check the Product Description for "Fit Type"

Brands often describe how a garment is cut. Common terms:

  • Slim / Skinny fit: Cut close to the body — little room for movement.
  • Regular / Classic fit: Standard cut with moderate room.
  • Relaxed / Loose fit: Intentionally oversized or roomy.
  • Oversized: Significantly larger than your body — often a deliberate style choice.

If you want a relaxed look in a slim-fit style, size up. If a style is already "oversized," consider sizing down if you don't want extreme volume.

Step 5: Read Customer Reviews — Specifically for Fit Notes

Customer reviews are gold for online clothing purchases. Filter or search reviews for comments like "runs small," "true to size," or "I'm normally a medium but sized up." Many shoppers include their measurements and the size they ordered — this is the most useful information you'll find.

Look for patterns across multiple reviews, not just one data point.

Step 6: Understand the Return Policy Before You Buy

Even with the best preparation, sometimes a fit just doesn't work. Before purchasing:

  • Confirm the return window (14 days vs. 30 days makes a big difference).
  • Check whether returns are free or at your cost.
  • Verify that sale items are returnable — many retailers mark these as final sale.
  • Keep original tags on until you've tried the item and are sure it fits.

Step 7: Use a Brand You Already Know as a Reference

If you're trying a new brand, compare their size chart to a brand you already buy from and know fits well. This gives you a real-world reference point beyond abstract measurements.

Quick Checklist Before Checkout

  1. Did I measure myself and compare to this brand's size chart?
  2. Does the fabric have stretch or is it a rigid cut?
  3. What fit type is this garment (slim, regular, relaxed)?
  4. Have I read customer reviews for sizing notes?
  5. Is this item returnable if the fit is off?

Online clothes shopping becomes much easier once you build this habit. A few extra minutes of research per item can turn a frustrating experience into one you genuinely enjoy.