POPFLEX® | Designed with a Why

Be Flexible Seamless Onesie - Black

Be Flexible Seamless Onesie - Black - Main image
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$54.02 $74 In stock

Category: Onesies

Every wardrobe needs a staple one-and-done. Designed in our signature Seamless fabric, this full-length onesie seamlessly moves with you from studio to street. 

Fit Stylist Tip: Keep in mind it's super stretchy! If you are in between sizes... for a more sculpted fit go down and for a more comfy fit go up!

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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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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 (5.0 / 5 · 3 reviews)

Riley ★★★★★

The invisible seams are a total game-changer—I wore this to a yoga class then straight to brunch without needing to change. It's snug but not restrictive, and the full-length cut is surprisingly flattering on my 5'6" frame.

Sophia S. ★★★★★

The fabric really does move with you—I wore it from a morning stretch session straight through errands and forgot I had it on. The full-length cut is flattering without bunching, and it's become my go-to when I can't decide what to wear.

Robert ★★★★★

I’ve been living in this onesie since it arrived—the seamless fabric really does move with you, no bunching at all. It’s become my go-to for layering under a jacket or wearing solo to the studio.

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