A cheeky bikini bottom is a swimsuit cut with minimal rear coverage, designed to show more skin and flatter curves — but getting the right size depends on your hip and waist measurements across brands like Nike and Roxy.
One wrong size and a cheeky cut turns into a wedgie or a saggy mess. Cheeky swimwear for women sizing comes down to two numbers: your waist and your hip (booty) measurement. Because brands like Nike, Roxy, and O’Neill each use different charts, you need to measure yourself correctly, then match your numbers to the brand’s specific size guide. Here is exactly how to do that, what coverage to expect, and when to size up.
How To Measure Yourself For Cheeky Swimwear
Use a soft measuring tape over bare skin or thin underwear. Stand straight without pulling the tape tight. You need three measurements: waist, hips, and bust (for one-pieces).
- Waist: Measure the narrowest part of your natural waist, usually just above the belly button.
- Booty / Hips: Measure around the widest part of your hips and bum — keep the tape level.
- Bust (if needed): Measure around the fullest part of your chest.
- Underbust: Measure directly under your bust (used by Roxy).
If your waist measurement puts you in a larger size than your hip measurement, size up to fit the waist. If your hips and waist land on two different sizes, order the size indicated by the hip measurement. If you are between sizes, size up for a more relaxed fit.
Brand Size Comparison: Nike vs. Roxy
Brands use different scales. Here is how the two most common US swimwear brands compare for cheeky cuts:
| Brand | Size Range | Waist (inches) | Hips (inches) | Bust (inches) |
|---|---|---|---|---|
| Nike | XS–2XL (US 0–22) | 24–39 | 47–59 | 31.5–46.5 |
| Nike Plus | 1X–3X (US 16W–26W) | 37–45+ | 51–62+ | 43–52+ |
| Roxy | XS–XXL | 24–37 | 35–47 | 32–44 |
Nike’s charts run larger in the hip than most brands. Roxy uses a more standard hip-to-waist ratio. Always check the brand’s specific size guide before ordering — especially for cheeky cuts, where a loose fit means a coverage gap.
What “Cheeky Coverage” Actually Means
Cheeky coverage means the bottom covers less than a full-coverage cut but more than a thong. It shows extra skin on each side of the rear while staying in place for lounging and light activity. Cheeky cuts work for bikini bottoms, one-pieces, and high-waist briefs.
Important: Cheeky bottoms shift more during active swimming than moderate or full coverage options. If you plan to surf, swim laps, or play beach volleyball, a moderate-coverage bottom will stay put better. Cheeky is ideal for sunbathing, poolside socializing, and showing off a tan with minimal lines.
When To Size Up Or Down
Swim fabric stretches when wet. If your measurements are borderline between two sizes, the smaller size will fit tighter when dry and likely stay put when wet. The larger size will feel looser and may gap slightly in the back once the fabric saturates.
- Size up if your waist measurement is your larger measurement, if you are between sizes, or if you prefer a relaxed fit.
- Size down only if both waist and hip measurements place you at the top of a smaller size and you want a snug, no-movement fit.
Once you have your size nailed down, check out our recommended cheeky bikini bottoms tested for fit to find a cut that matches your measurements.
References & Sources
- Nike. Nike Women’s Swimsuit Size Guide Official size chart for Nike swim bottoms and one-pieces.
- Roxy. Roxy Women’s Swimwear Size Chart Official sizing for Roxy bikini bottoms and tops.
- O’Neill. O’Neill Women’s Swim Fit Guide — Bottoms Manufacturer guidance on measuring for and choosing the right swim bottom size.
Mo Maruf
I created WellFizz to bridge the gap between vague wellness advice and actionable solutions. My mission is simple: to decode the research and give you practical tools you can actually use.
Beyond the data, I am a passionate traveler. I believe that stepping away from the screen to explore new environments is essential for mental clarity and physical vitality.