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Plainweek

18 Sept 2026 · 4 min read

Measure yourself before ordering clothes online

One tape measure and five minutes save a round of exchanges.

Hands fastening the collar of a white shirtSample photo

What you need

A soft tape measure, a mirror, and the best-fitting piece you own. Wear something thin while you measure.

Measure your body

Chest at its fullest point, waist where your waistband actually sits. Keep the tape level and relaxed.

Measure a favourite piece

Lay it flat, measure pit to pit and double it, then compare with our garment table. This is the most reliable check.

Still unsure?

Send us your numbers on chat and we'll help before you order.

Size guide