One Piece

The Jumpsuit

FLAT.

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Swimwear, reimagined. The Jumpsuit is a modern, full-coverage swim silhouette designed specifically for flat bodies. With a streamlined fit through the chest and an extended leg, it offers more coverage without sacrificing style. Made for swimming, lounging, paddleboarding, or throwing on and going, The Jumpsuit blurs the line between swimwear and everyday wear. No cups. No padding. No need to fill anything out. Just a confident, modern silhouette designed to fit the body you have.

Details

  • Designed specifically for flat chests
  • No built-in cups
  • No removable padding
  • No underwire
  • Double-lined construction
  • Streamlined, body-skimming silhouette
  • Extended leg for added coverage
  • Premium stretch swim fabric
  • Designed for swim and beyond

Fabric

65% Nylon / 12% Polyester / 23% Spandex

Soft, supportive stretch designed to move comfortably with your body while maintaining its shape.

Fit & Sizing

  • Available in sizes XS–3XL
  • Designed and fit specifically for flat bodies
  • Body-skimming fit
View Size Guide

Coverage

  • Chest: Flat-specific fit
  • Back: Full coverage
  • Torso: Full coverage
  • Leg: Extended coverage
  • Support: No cups, padding, or underwire

Care

  • Hand wash cold separately
  • Line dry
  • Do not bleach
  • Do not iron
  • Rinse in fresh water after swimming
  • Avoid prolonged contact with chlorine, sunscreen, oils, and rough surfaces

Shipping & Returns

In-stock orders are typically processed within 2–3 business days, excluding weekends and holidays.

Eligible, unworn swimwear may be returned within 14 days of delivery with original tags and hygienic liner attached.

The FLAT. Difference

FLAT. swimwear is intentionally designed for bodies without breasts.

No cups to fill.
No padding you don't need.
No pretending something is missing.

Just swimwear designed for you.

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