Bikini Size Guide 2026: How to Find Your Perfect Fit

The wrong size is the number one reason for bikini returns. With this complete size guide you'll always find the perfect fit – for triangle tops, bandeau, halter, swimsuits and bikini bottoms.

How to Measure

1. Bust – horizontally across the fullest part of your chest
2. Waist – at the narrowest part of your waist
3. Hips – at the widest part of your hips

Measure in underwear, keep the tape horizontal and not too tight.

Bikini Top Sizes

Triangle Top – PilyQ (S to XXL)

• S: bust 82–86 cm | Cup A–B
• M: bust 86–90 cm | Cup B–C
• L: bust 90–94 cm | Cup C
• XL: bust 94–98 cm | Cup C–D
• XXL: bust 98–102 cm | Cup D

All triangle tops

Bandeau Top – PilyQ (S to XL)

• S: bust 82–86 cm | Cup A–B
• M: bust 86–90 cm | Cup B–C
• L: bust 90–94 cm | Cup C
• XL: bust 94–98 cm | Cup C–D

All bandeau tops

Halter Top – PilyQ (larger cups)

• S: bust 82–86 cm | Cup B
• M: bust 86–90 cm | Cup B–C
• L: bust 90–94 cm | Cup C–D
• XL: bust 94–98 cm | Cup D

All halter tops

Bikini Bottoms Sizes – PilyQ

• XS: hip 82–86 cm | waist 58–62 cm
• S: hip 86–90 cm | waist 62–66 cm
• M: hip 90–94 cm | waist 66–70 cm
• L: hip 94–98 cm | waist 70–74 cm
• XL: hip 98–102 cm | waist 74–78 cm
• XXL: hip 102–106 cm | waist 78–82 cm

All bikini bottoms

Swimsuit Sizes

• XS (EU 34): bust 80–84 | waist 60–64 | hip 84–88 cm
• S (EU 36): bust 84–88 | waist 64–68 | hip 88–92 cm
• M (EU 38–40): bust 88–92 | waist 68–74 | hip 92–98 cm
• L (EU 42–44): bust 92–96 | waist 74–80 | hip 98–104 cm
• XL (EU 46): bust 96–100 | waist 80–86 | hip 104–110 cm

All swimsuits

Brand-Specific Fit Advice

• ✦ PilyQ – true to size. When in doubt, go up.
• ✦ Garotas – true to size.
• ✦ Towers Swimwear – runs SMALL. Order 1–2 sizes up.
• ✦ Milonga & Entreaguas – true to size.
• ✦ Saman cover-ups – one size, fits S to L.

FAQs

My top and bottom are different sizes?
Order the top in your bust size and bottoms in your hip size. Discover the Mix & Match collection.

Between sizes – which do I choose?
Always go with the larger size.

Will it shrink after washing?
No – hand wash in cold water and premium swimwear won't shrink.

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