
Girls One-Piece Swimsuits
Custom girls one-piece swimsuits with comfortable fabrics, playful designs, and personalized branding options for kids' swimwear brands.
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Custom rash guard sets with UV protection fabrics, matching designs, and private label solutions for kids' swimwear brands.

| MOQ | 50 sets per style per color |
| LEAD TIME | 12-18 days for bulk production |
| SAMPLE TIME | 2-3 weeks |
| FABRIC | Recycled polyester with certified UPF 50+ |
| SIZE RANGE | 6 months-14 years |
| FUNCTIONS | UPF 50+ - Quick dry - Chlorine resistant - Full coverage |
Rash guard sets are the fastest-growing segment in kids' swimwear, driven directly by parental awareness of sun exposure. In Australia and increasingly in Europe and North America, a two-piece UV suit is now the default purchase for young children rather than a specialty item. For brands, this is the category with the clearest functional selling proposition — the product does something measurable that parents care about.
Long-sleeve rash top with matching brief or short bottoms — the standard two-piece UV set. All-in-one UV suits with attached leg coverage and a back or front zip, which suit babies and toddlers best because there is nothing to ride up. Short-sleeve sets for warmer conditions or as a mid-coverage option. Sets with a matching legionnaire hat, which completes the sun-protection proposition and adds unit value. Zip-front and pull-on constructions. Hooded rash tops for extra neck coverage.
Certified UPF 50+ recycled polyester is standard, and certification documentation is essential in this category since the UV claim is the product's reason to exist. We test UPF after repeated washing, not just on new fabric, because untreated claims degrade. OEKO-TEX and azo-free verification are available. A soft brushed-back option suits sensitive skin, and a slightly heavier weight is used on all-in-one suits to maintain opacity when wet.
Flatlock seams throughout, which matters more here than in any other kids category because the garment covers the whole torso and arms and any ridge rubs continuously. Zips have a chin guard and a full-length soft backing tape. Cuffs at wrist and ankle use soft encased elastic. On two-piece sets, the top is cut long enough to overlap the bottom during arm movement. All-in-one suits have a wide leg opening for nappy access on baby sizes and a secure zip pull that a child cannot easily open unaided. No sewn labels anywhere.
Sublimation print gives full colorfastness and does not compromise the UPF rating. The large uninterrupted panel of a long-sleeve rash top is an excellent print surface — placement graphics across the chest and sleeve work particularly well. Contrast sleeve and body color blocking is a low-cost alternative to full print. Branding uses heat-transfer logos on the chest or sleeve, printed care labels, and branded hangtags. Sets can be packed with a UPF information card, which supports the functional sell at retail.
Grading runs from 6 months through 14 years, which is a wider range than most kids' categories because UV protection is relevant from infancy. Baby sizes require nappy allowance in the body and leg. Sleeve length is the fit dimension parents notice most — too short and the sun protection claim is undermined visually. Both age-based and height-based charts are supported, with height-based preferred for European and Australian retail.
Sets pack as matched pairs in a poly bag with hangtag, age or height label, and optional UPF information card. Where a hat is included, the set packs together with a component card. Suffocation warnings applied per US and EU requirements. Mixed age ratios per carton supported. Full export documentation including UPF test reports where required.
Want to take it further? Read our custom bikini manufacturing guide or see all custom swimwear options.
Kids' sun-protection brands · Australian and European retail · Baby and toddler ranges · Swim school programs
| Sample fee | $50 per style (1 pc) — shipping prepaid |
| Special fabrics / complex techniques | Price on request |
| Sample fee refund | Fully refunded when bulk order ≥ 100 sets per style |
Yes, certified UPF 50+ with test documentation. We test after repeated washing rather than only on new fabric, since untreated claims degrade in wash.
6 months. Baby sizes include nappy allowance in the body and leg, and all-in-one suits are recommended at that age.
No. Sublimation bonds dye into the fibre without altering the fabric structure, so the UPF rating is unaffected.
All-in-one for babies and toddlers because nothing rides up. Two-piece for older children, since it is easier for toilet trips.
Yes. A legionnaire hat completes the sun-protection proposition and packs with the set as a third component.
50 complete sets per style per color, produced in 12-18 days.
Factory-direct pricing, sampling in 7–10 days, and photo updates at every production stage.
Get a Quote for Kids Rash Guard Sets
Custom girls one-piece swimsuits with comfortable fabrics, playful designs, and personalized branding options for kids' swimwear brands.
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Custom girls two-piece swimsuits featuring unique designs, vibrant colors, and flexible OEM & ODM solutions for your collection.
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Custom girls bikinis with age-appropriate designs, custom prints, and private label options tailored to your brand.
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