The single biggest reason people hesitate before buying a burkini is the same reason they hesitate over any swimwear: "What if it doesn't fit?" Modest swim actually gives you more room for error than a regular swimsuit — but only if you measure first. Here's how to get the right fit the first time.
1. Why burkini sizing feels trickier than it is
A burkini has more pieces doing more jobs — a tunic that should skim (not cling), sleeves that should move with you, and pants or leggings that need to stay put in water. Because it covers more, a small sizing miss shows up in more places. The fix isn't guesswork; it's three quick measurements.
2. Measure three things (takes two minutes)
- Bust — around the fullest part, tape level and snug but not tight.
- Hips — around the widest point, usually 8–9 inches below the waist.
- Height — this drives tunic length and sleeve/ankle coverage, which size charts often ignore. If you're tall, prioritise length.
Match those to the product's size chart rather than your usual dress size. Modest swim brands cut differently, and the chart always wins over habit.
3. How a burkini should actually fit
- Tunic: skims your shape and stays down in water — not shrink-wrapped, not a tent.
- Sleeves & pants: full range of motion with no pulling at the shoulder or knee when you raise your arms or sit.
- Waist: pants sit secure without digging; a drawcord is your friend.
- Neckline & cap: snug enough to stay put diving in, loose enough to breathe.
4. Between two sizes? Here's the rule
Performance swim fabric (nylon/polyamide + elastane) has real stretch and recovery, so it forgives a slightly snug fit and springs back. If you're between sizes and want more coverage or you're taller, size up. Only size down if you specifically want a closer, sportier fit for lap swimming.
5. The three most common fit mistakes
- Ordering by dress size, not the chart. The most common return reason, and completely avoidable.
- Ignoring height. A great bust/hip match can still ride short on a tall frame — check the tunic and inseam length.
- Buying too loose "to be safe." Excess fabric drags in water and clings when wet. Aim for skim, not swim-in-a-bag.
6. Two beginner-friendly fits to start with
If it's your first modern burkini, start with a forgiving cut:
- The Tropical Print Modest Burkini — full coverage, quick-dry, flattering splice seams that suit most shapes.
- The Solid Modest Burkini Set — a 2-piece you can size independently on top and bottom, which is ideal if your bust and hip sizes differ.
Still deciding on coverage level or fabric? Read the Modest Swimwear Buying Guide next, or browse all modest swimwear →
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