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[Ksenia XS]
[Ksenia XS]
[Ksenia XS]
[Ksenia XS]
[Vitoria XL]
Swim Straight One-Piece in Black
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[Ksenia XS] [Ksenia XS] [Ksenia XS] [Ksenia XS] [Vitoria XL] Swim Straight One-Piece in Black

Swim Straight One-Piece

4.3
Rated 4.3 out of 5 stars
51 Reviews

Negative. Does. Swim.


A figure flattering one piece featuring a high leg, cheeky bum, and open back. Our ultra smoothing and supportive stretch nylon keeps it all in place.

Free U.S. shipping on orders over $100. Easy returns.

Fit

  • Size Chart
  • Use this as a guide. Preference is a huge factor — with a one piece, sizing can vary based on the length of your torso, in addition to your overall frame. If you're taller or have a proportionally longer torso, you may want to size up.
  • Double layered for extra hold and support
  • Features a straight neck, thin cami straps, and open back
  • Retro leg hits high on the hip
  • Cheeky coverage bum
  • Ksenia is 5'9", dress size 2, wearing our XS

Fabric + Care

  • Size Chart
  • Ultra smoothing stretch nylon hugs the body like gentle shapewear
  • 50% Nylon and 50% Elastane
  • Lining: 80% Nylon and 20% Elastane
  • OEKO-TEX® STANDARD 100 Certified
  • Hand wash, dry flat

FAQ

  • All full-priced, unworn items, with tags attached and in their original packaging are eligible for return or exchange within 30 days of placing your order.
  • Please note, packs must be returned in full. We do not accept partial returns of packs.
  • Want to know our full returns policies? Here you go.
  • Want more info about shipping, materials or care instructions? Here!

    Q’s on fit or sizing? Email us at hello@negativeunderwear.com

Pair it with ->

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Essaouira Island Boxer in Black Essaouira Island Boxer in Black (alternate view) Essaouira Island Boxer in Black $125
Swim One Shoulder One-Piece in Black Swim One Shoulder One-Piece in Black (alternate view) Swim One Shoulder One-Piece in Black $160
Swim Cutout Top in Black Swim Cutout Top in Black (alternate view) Swim Cutout Top in Black $90
4.3
Rated 4.3 out of 5 stars
Based on 51 reviews
Write a Review (Opens in a new window)
51 reviews
  • Trish B.
    Verified Buyer
    4 minutes ago
    Swim Straight One-Piece in Surf
    Reviewing
    Swim Straight One-Piece in Surf
    Rated 5 out of 5 stars
    Awesome!

    Love this suit. Gorgeous material!

    Was this helpful?
  • kevin s.
    Verified Buyer
    1 week ago
    Swim Straight One-Piece in Black
    Reviewing
    Swim Straight One-Piece in Black
    Rated 5 out of 5 stars
    Birthday Suit!)

    Got this for my wife’s 56th birthday! She loves it! But not nearly as much as I do!!))

    Was this helpful?
  • Susan P.
    Verified Buyer
    1 week ago
    Swim Straight One-Piece in Black
    Reviewing
    Swim Straight One-Piece in Black
    Rated 5 out of 5 stars
    Great fabric

    Fits great - sized up for long torso

    Was this helpful?
  • Isabelle M.
    Verified Reviewer
    1 week ago
    Swim Straight One-Piece in Surf
    Reviewing
    Swim Straight One-Piece in Surf
    Rated 4 out of 5 stars
    Beautiful classy one piece

    My husband gifted this one piece swim suit with the pareo. It’s a beautiful set. One thing I would say, take one size up as it runs small and be mindful that if the torso is short it’s because you wear this swimsuit high. I love the pattern and material.

    Was this helpful?
  • Maria D.
    Verified Buyer
    2 weeks ago
    Swim Straight One-Piece in Black
    Reviewing
    Swim Straight One-Piece in Black
    Rated 5 out of 5 stars
    Black 1 pc suit

    Luv the fit and style

    Fabric is wonderful

    I’m sz12 and bought XL

    Was this helpful?
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Apparel Sizing

Apparel Sizing Size Chart

Q’s about sizing or fit? Email us at hello@negativeunderwear.com

Detail view of Swim Straight One-Piece in Black for sizer

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