fn onesie

$36.04 ~~$53~~ In stock

a wardrobe staple for the smallest person you know. this black onesie features a double layered look to get that mid aughts rock & roll look early on. part of our collabo with FILA, this baby features our mashup monogram logo in black & red on the front, with more logo action on one sleeve. an extra wide neckline & crotch snaps make this cute piece functional.

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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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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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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 (5.0 / 5 · 3 reviews)

Adam ★★★★★ Oct 20, 2026

The double-layered design gives my little guy that cool rocker vibe without being too bulky, and the black color hides stains perfectly. It’s surprisingly easy to snap up during middle-of-the-night changes.

Sofia T. ★★★★★ Oct 19, 2026

The black fabric holds up well after several washes without fading, which is great for a baby onesie. My little one looks adorable in that double-layered style, and it snaps together easily for quick changes.

Amelia C. ★★★★★ Oct 18, 2026

The double-layered look gives this onesie such a cool vintage vibe, and the fabric feels surprisingly soft against my baby’s skin. It’s held up well through multiple washes without fading or shrinking.