Lianex may earn a commission when you buy through links on this page — learn more.
Buying guide
How to buy a dress, the right way.
Casual, work or occasion — find a flattering fit in the right fabric at the best price across the marketplace.
A dress is one of the easiest ways to put together a complete look, but buying one online comes down to getting three things right: the fit, the fabric, and matching the style to the occasion. Sizing varies a lot between makers, so the measurements matter more than the label size. This guide covers how to read fit and fabric and choose for the occasion, then pulls up live listings so you can compare real options.
Fit and sizing — read the measurements
Dress sizes are not consistent between brands, so treat the size label as a starting point and check the garment’s actual measurements — bust, waist, hip and length — against your own. The silhouette matters as much as the number: a-line and wrap styles flatter a wide range of shapes and forgive small fit differences, while bodycon and tailored cuts need the measurements to be closer to exact. Note the length too, since the same style reads very differently as a mini, midi or maxi. When a maker lists model height and the size worn, use it to judge how the length will fall on you.
Fabric, season and care
Fabric decides how a dress feels, drapes and lasts. Natural fibres like cotton and linen breathe well and suit warm weather but crease more; synthetics and blends resist wrinkles and hold shape but can feel warmer. Heavier knits and ponte suit cooler seasons and skim the body; light, flowing fabrics suit summer and softer silhouettes. Check whether it is machine-washable or dry-clean-only before you buy, and consider whether it is lined — an unlined light fabric may need something underneath. The fabric is also a good honesty check on price for the quality.
Occasion and getting the best price
Match the style to where you will wear it: relaxed everyday cuts and jersey for casual, structured and modest cuts for work, and statement fabrics or cuts for occasions. A versatile dress that works across several settings earns its price. Because sizing and condition vary, the same style can appear at very different prices new, ex-display or pre-owned. Decide your size from the measurements and your fabric and length priorities first, then compare live listings on condition, fabric and shipping rather than the size label alone.
Common questions
- How do I get the right size when brands differ?
- Go by the garment’s listed measurements — bust, waist, hip and length — rather than the size label, and compare them to your own. Forgiving silhouettes like a-line and wrap styles handle small fit differences better than tailored or bodycon cuts.
- Which fabric should I choose?
- Pick for the season and how much care you want to do: cotton and linen breathe for warm weather but crease; blends and synthetics resist wrinkles and hold shape; heavier knits suit cooler months. Always check the wash-care label and whether the dress is lined before buying.
- Is buying a pre-owned or ex-display dress a good idea?
- It can be great value, especially for occasion pieces worn once. Check the condition notes, the measurements and the returns policy, then compare the real listings below on fabric and condition rather than assuming only new will fit or last.