Baby Simply One-Piece

$18 ~~$30~~ In stock

Category: Swimsuit

Fit - True to Size

For model measurements and sizing help please see our fit finder or contact us directly.

Girls one-piece swimsuit
Completely lined
Thin shoulder straps
Straight cut across the front
Straps are not adjustable
Piping detail around the legs

Actual color may vary due to differing display options for every device.

Before you pay

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

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Please contact us for the refund processing timeframe before returning an item.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Lucy ★★★★★ Oct 10, 2026

The fit was spot on for my daughter, and the full lining makes it feel much more durable than other swimsuits. She’s already worn it three times this week.

Stella ★★★★★ Oct 10, 2026

My daughter loves how the thin shoulder straps don’t dig in, and the true-to-size fit was spot on—no sagging or pulling.

Isabella ★★★★★ Sep 14, 2026

The full lining makes a huge difference at the pool — no scratchy seams and it dries fast between swims. My daughter usually fusses about straps digging in, but these thin ones stayed put all afternoon.