Inclusive Swimwear Fit Guide: Look and Feel Amazing in Sizes S–6XL
Swimwear shopping should feel exciting — not exhausting. But if you’ve spent time searching for styles that actually fit your body, you know the reality. Cut-outs that sit wrong. Straps that dig in. Tops that don’t stay put. A size chart that seems to forget entire ranges exist.
KINKY was built on the belief that every body deserves swimwear that fits beautifully and feels incredible. That’s why our collections run from S to 6XL — and why we put together this guide. Whether you’re heading to Miami Swim Week or your backyard pool, this is everything you need to find your perfect fit.
Why Swimwear Fit Is Different From Clothing Fit
Swimwear has its own rules — and understanding them makes shopping a lot easier.
Swimwear fabric has four-way stretch, which means it moves with your body rather than against it. This is good news. But it also means that the “right” size in swimwear might be different from your usual clothing size. A swimsuit that looks small on the hanger may be exactly right when on.
Key things to understand:
· Swimwear runs small. It’s designed to stretch to your body, so many people size up at least one size from their usual clothing.
· The fabric does the work. A slight amount of compression in the right places is intentional — it provides support and keeps pieces in place.
· Different silhouettes fit differently. A one-piece, a bikini top, and a high-waist bottom each have their own fit logic. We’ll cover each below.
How to Take Your Measurements
Before consulting any size chart, take your measurements. You’ll need:
Bust: Measure around the fullest part of your chest, keeping the tape parallel to the floor. Do not pull tight.
Waist: Measure around your natural waist — the narrowest part of your torso, usually just above your belly button.
Hips: Measure around the fullest part of your hips and seat, keeping the tape parallel to the floor.
High hip: Measure about two to three inches below your natural waist — this is the measurement most relevant for high-waist bottoms and one-piece silhouettes.
Write all four measurements down. When you’re between sizes, size up — swimwear that’s slightly too big can be adjusted; swimwear that’s too small will never be comfortable.
Size Guide Overview (S–6XL)
|
Size |
Bust |
Waist |
Hips |
|
S |
34–35” |
26–27” |
36–37” |
|
M |
36–37” |
28–29” |
38–39” |
|
L |
38–40” |
30–32” |
40–42” |
|
XL |
41–43” |
33–35” |
43–45” |
|
2XL |
44–46” |
36–38” |
46–48” |
|
3XL |
47–49” |
39–41” |
49–51” |
|
4XL |
50–52” |
42–44” |
52–54” |
|
5XL |
53–55” |
45–47” |
55–57” |
|
6XL |
56–58” |
48–50” |
58–60” |
When in doubt, size up. Swimwear with stretch will accommodate a body that measures closer to the top of a size range, but it won’t accommodate measurements that fall outside the range entirely.
Fit Guide by Silhouette
One-Piece Swimsuits
One-pieces are sizing-forward because they cover the most area and need to fit through bust, waist, and hips simultaneously.
· Use your largest measurement to determine your size — whether that’s bust, waist, or hips
· Look for adjustable straps so you can customize the length to your torso
· If you have a long torso, look for styles with added length or an open back
· If you have a shorter torso, styles with higher-cut legs will elongate your silhouette
Bikini Tops
Bikini tops are sized primarily by bust. Here’s what to look for based on your cup size:
· Fuller bust (D+): Look for underwire support, wider straps, and adjustable back closures. Triangle tops may not provide enough support.
· Smaller bust: Triangle tops and bandeau styles work beautifully. Padding options let you customize your shape.
· Uneven sizing: Always size to your larger side and adjust straps on the smaller side.
Bikini Bottoms and High-Waist Styles
Bottoms are sized by hip and high-hip measurement.
· High-waist styles should sit comfortably just above the hip bone — not roll down or cut in
· Brief-style bottoms provide the most coverage; thong and cheeky styles require a smaller size range
· If your waist and hips are proportionally different, high-waist styles with boning or inner elastic give more control over fit
Cover-Ups and Wraps
Cover-ups are generally the most size-flexible piece in your swim wardrobe. They’re designed to layer and flow — a size up from your swimsuit gives you room to move and layer.
What to Look for If You’re Shopping in Plus Sizes (3XL–6XL)
Shopping for swimwear in larger sizes has historically been limited to one of two aesthetics: overly conservative or overly revealing. Neither is acceptable. You deserve bold, beautiful options — and that’s exactly what KINKY’s plus-size swim collection delivers.
What we recommend:
· Built-in support: Look for swimsuits with underwire, boning, or a built-in bra liner — especially in the 3XL–6XL range. The right structural support means your suit stays in place all day.
· Wide, adjustable straps: Thin straps are a comfort issue at larger bust sizes. Wider straps distribute weight better and are far more comfortable for extended wear.
· Stretch fabric panels: A suit with strategic stretch panels will move with your body rather than against it.
· High waist options: High-waist bottoms offer coverage and support without sacrificing style. Pair with a standout top for a look that turns heads.
Styling Tips for Every Body Type
Fit is just the starting point — here’s how to style your swim look with intention.
Hourglass figures: Nearly every silhouette works. Highlight your waist with high-waist bottoms or a belted cover-up. One-pieces with waist cut-outs are especially flattering.
Pear shapes: Draw attention upward with bold prints or embellishments on top. A halter neck adds shoulder width. Keep bottoms in solid, darker tones if you want to balance proportions.
Apple shapes: One-pieces and tankinis offer streamlined coverage. Empire-waist styles skim over the midsection beautifully. Wrap-style cover-ups are incredibly flattering.
Rectangle figures: Create curves with ruffles, ties, and textured fabric. Bikinis with side-tie bottoms and padded tops add dimension.
Inverted triangle: Bring balance to the lower body with patterned bottoms, side ruffles, or high-waist styles. Keep tops minimal — a simple triangle or bandeau lets your natural shape shine.
No matter your shape — if it makes you feel incredible, it fits.
Frequently Asked Questions
Do KINKY swimwear styles run true to size?
Our swimwear is sized to standard measurements and is designed with four-way stretch fabric. We recommend measuring your bust, waist, and hips before ordering and using your largest measurement to select your size. When between sizes, size up.
What sizes does KINKY swimwear come in?
All KINKY swimwear is available in sizes S–6XL. We believe in true inclusivity, which means every style — not just selected pieces — is available across the full size range.
How do I know if a swimsuit is supportive enough for a fuller bust?
Look for underwire, wide adjustable straps, and a back closure with multiple hook-and-eye settings. Avoid triangle tops without additional structure if you need significant support. When in doubt, contact us — we’re happy to help you find the right fit.
Can I return swimwear if it doesn’t fit?
Please review our full return policy on the website before purchasing. Hygiene-related restrictions may apply to swimwear returns. We recommend checking our size guide carefully before ordering.
What’s the difference between plus-size swimwear and extended-size swimwear?
”Extended size” means the garment is graded up from a standard size — often with minimal changes to structure or design. True plus-size swimwear (what KINKY offers) is designed specifically for larger bodies, with structural adjustments like wider straps, additional support panels, and proportional scaling to ensure the garment fits and functions as intended.
Read Next
· What to Pack for Miami Swim Week — The full packing checklist once you know your size.
· Miami Swim Week Outfit Ideas: Day Party vs Night Event — Style your swim looks for every moment.
· KINKY Miami Swim Week Collection — Browse our swimwear and lingerie picks in sizes S–6XL.
