Make a clean statement from the pool deck to the boardwalk in this black stripe swim romper. Designed with the streamlined energy of Seoul athletic streetwear, this one-piece swimsuit blends a high neckline, open back, racer-style armholes, and short boy-leg coverage into a sleek unitard silhouette.
The deep black base creates a sharp, minimalist foundation, while contrasting white side stripes trace the body for a sporty retro finish. More covered than a classic bikini and more fashion-forward than a conventional one-piece, this athletic swimsuit is made for confident movement, effortless layering, and standout summer styling.
Black Stripe Swim Romper Design
- Sporty one-piece silhouette: A streamlined unitard shape with short boy-leg coverage through the hips and upper thighs.
- Contrast stripe detailing: Dual white vertical side stripes create a lengthening visual effect and bring classic track-inspired energy to the look.
- High round neckline: Offers a clean, modern finish with a modest athletic feel.
- Open back: Adds ventilation and visual contrast while highlighting the fitted racerback-inspired shape.
- Racer-style armholes: Designed for a sleeveless, movement-friendly profile.
- Removable soft cups: Lightly shaped pads provide flexible coverage without underwire.
Streetwear-Inspired Swimwear for Pool Days and Beyond
This piece sits naturally between performance swimwear and contemporary street style. Wear it as a functional swimsuit for swimming, resort travel, beach walks, and water activities, or style it as a bold summer bodysuit with low-rise cargo pants, nylon track trousers, an oversized zip hoodie, or a lightweight bomber jacket.
With striped knee-high socks, retro sneakers, and a visor, it channels a playful Y2K sports aesthetic. For a more understated Korean fashion look, pair it with sheer layers, wide-leg trousers, silver accessories, and a structured shoulder bag. The result is a versatile outfit that feels equally at home in a Seoul-inspired streetwear wardrobe or a casual Western summer capsule.
Material and Comfort Details
- Shell: High-stretch nylon for a flexible, close-to-body fit.
- Lining: Polyester and spandex blend for added comfort and coverage.
- Padding: Removable soft pads with no underwire.
- Color: Black with contrasting white vertical stripes.
- Coverage: Short boy-leg bottom with additional hip and upper-thigh coverage compared with a standard swimsuit.
Size Information
Available sizes are M, L, XL, and 2XL. The measurement chart supplied for this style currently lists M through XL. Because this is a fitted one-piece swimsuit, compare your bust, waist, hip, and torso length before ordering. The high-stretch fabric allows flexibility, but torso length is especially important for a comfortable fit.
| Size | Height | Weight | Cup Size | Waist (Chinese Inches) | Approx. Waist Conversion |
|---|---|---|---|---|---|
| M | 153–165 cm / 5’0"–5’5" | 43–50 kg / 95–110 lb | A–B–C | 1.8–2.0 | Approx. 2.36–2.62 in / 6.0–6.7 cm |
| L | 156–168 cm / 5’1"–5’6" | 49–56 kg / 108–123 lb | B–C–D | 1.9–2.1 | Approx. 2.49–2.76 in / 6.3–7.0 cm |
| XL | 158–170 cm / 5’2"–5’7" | 56–65 kg / 123–143 lb | B–C–D+ | 2.1–2.3 | Approx. 2.76–3.02 in / 7.0–7.7 cm |
Note: The waist figures above are converted from the supplied Chinese-inch values. Please use your own body measurements and consider torso length when selecting a size. The 2XL option is available, but a detailed 2XL measurement row was not provided.
How to Style This Athletic One-Piece
- Wear it alone with slides, a visor, and oversized sunglasses for a streamlined poolside outfit.
- Layer it under open cargo pants or parachute trousers for a gorpcore-inspired streetwear look.
- Add a cropped windbreaker and retro trainers for a sporty Y2K outfit.
- Pair it with a sheer long-sleeve top and silver jewelry for an edgy Acubi-style layered look.
- Use the monochrome palette as a base for bold accessories, colored bags, or statement socks.
Care and Maintenance
Rinse with cool, clean water after swimming, especially after exposure to chlorine or salt water. Hand wash gently with mild detergent, avoid bleach and harsh fabric softeners, and reshape before air drying in the shade. Do not wring, tumble dry, or iron directly over the stretch fabric or removable pads.



















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