Some mistakes come up again and again when buying plus size clothing online. Spotting them ahead of time saves you time, money and frustration, and turns online shopping from a gamble into a genuinely reliable option.
1. Trusting the letter size alone
S, M, L mean different things from brand to brand. Always check the product-specific size chart in inches, not the size you usually wear elsewhere. Even within the same brand, different product categories (jeans, knitwear, dresses) can follow slightly different charts.
2. Ignoring the fabric composition
A garment with little or no elastane behaves very differently from one with a good stretch percentage, even at the same labeled size. Always check this detail before ordering, especially for structured pieces like jeans, tailored trousers or fitted dresses, where the difference is felt far more than on a soft piece like a hoodie.
3. Skipping fit-focused reviews
Generic reviews ("love it!") don't tell you much. Look for ones that mention height, measurements, and an actual verdict on sizing. If the site lets you filter reviews by size purchased or body type, use that feature — it gives you a much clearer picture of how the piece will actually behave on a body like yours.
4. Skipping the return policy
Ordering without knowing who pays for returns or how many days you have is the fastest way to end up with a piece you'll never wear, fully paid for anyway. Pay particular attention if the store is international: a return sometimes means shipping the package abroad, with much higher costs and longer timelines than a domestic return.
5. Buying for the event, not the wardrobe
A rushed purchase for one specific occasion rarely integrates well with the rest of your closet. When possible, consider whether that piece could work for other occasions too, instead of treating it as an isolated purchase you'll only wear once.
A bonus tip: bookmark the stores you trust
Once you find a store that genuinely meets your criteria — clear size charts, verifiable reviews, easy returns — it's worth saving it instead of searching from scratch each time. Over time you'll build a small personal list of trusted retailers, reducing the risk of unpleasant surprises dramatically.
Turning a past mistake into a future filter
Every time an order goes wrong, take a minute to identify which of the five mistakes above you made. Over time, this small habit of reflection helps you build your own personal checklist, one that's more effective than any generic list because it's based on your own specific, recurring patterns.
Why patience pays off more than speed
Rushing through checkout to "not miss the deal" is exactly the mindset that leads to most of the mistakes on this list. Slowing down by even a couple of minutes to check size charts and reviews costs almost nothing and prevents the vast majority of return headaches later.
Frequently asked questions
What should I do if I've already made one of these mistakes and the item doesn't fit?
Check the return policy immediately, even if you didn't review it before buying: in most cases you still have a window to return the item, even if it's not the ideal outcome.
Are negative reviews always a reason to avoid a purchase?
Not necessarily — read the specific content of the negative review. If it points to a particular sizing issue ("runs small for wide hips"), you can still decide to buy while already knowing what to expect and adjusting your size choice accordingly.
Is a free-return policy always the deciding factor?
It's a major advantage, but not the only one: a store with paid returns but very precise size charts and reliable reviews can still be a safer overall purchase than one that only offers free shipping.
The bottom line
Most disappointments in plus size online shopping come from skipped information, not bad-faith stores. Size chart, fabric composition, reviews and return policy: check these four things every time before you click "buy," and your experience will improve dramatically almost immediately.
Discover vetted stores in the CurvyIndex directory, or read the full plus size online shopping guide.