Skip to content

Selling Fast

One Shoulder One Piece Swimsuit

Sleek and sophisticated suit with one shoulder style.

Product image

Product image

Jay is a 30F, has 36" hips and wears a Knix size XS+

Jay is a 30F, has 36" hips and wears a Knix size XS+

Jay is a 30F, has 36" hips and wears a Knix size XS+

Jay is a 30F, has 36" hips and wears a Knix size XS+

Jay is a 30F, has 36" hips and wears a Knix size XS+

Jay is a 30F, has 36" hips and wears a Knix size XS+

Selling Fast

One Shoulder One Piece Swimsuit

Sleek and sophisticated suit with one shoulder style.

Figure-flattering and fashion-forward suit with just the right amount of style. An asymmetrical single shoulder fits and feels fantastic so you can embody your most confident self in or out of the water.

- One shoulder
- Medium butt coverage
- Removable cups
- Internal shelf bra
- Self-lined
- No hardware
- Non-adjustable
- UPF 50+ fabric

Machine Washable: Wash with like colors. Machine wash gentle, do not bleach, do not dry clean, do not iron, lay flat to dry.

Body: 85% Nylon, 15% Spandex
Lining: 85% Nylon, 15% Spandex

Free standard shipping over $100.

Free expedited shipping over $150.

(after discounts, before shipping + taxes) All items ship from within Canada.

Swim items are eligible for a return or exchange within 30 days of delivery and with tags and original sanitary strip (swim bottoms and one pieces) attached. For sale items with a 20% or more discount you may exchange for another item or store credit.

Contact Us Returns & Exchanges Shipping Product Testing and Safety FAQs Gift Card Balance

Rewards Size Guides Virtual Fittings Resources Store Locations Retail Partners

Story & Mission Sustainability & Philanthropy Careers Blog

Stay in the flow

Give $20Get $20

Privacy Policy
California Privacy Rights
Privacy Choices
Accessibility Statement

swim 1 pc

Swim One-Pieces

Swim Tops

Swim Tops

Swim Bottoms

Swim Bottoms

Leakproof Swim

Leakproof Swim

Swim Sets

Swim Sets

Accessories & Apparel

Accessories & Apparel

Teen Swim

Teen Swim

How Does Leakproof Swim Work?

Bra-Innovations MB

Bra-Innovations MB

More ways to feel unapologetically free

Find an amazing wireless bra to match your Undies. Plus explore our other products, all designed to make you feel so comfortable in your own skin.

Period Underwear EVERYDAY UNDERWEAR BRAS SLEEPWEAR ACTIVEWEAR APPAREL Shapewear Maternity

Help
Returns & Exchanges
Shipping
Size Guides
Rewards
Virtual Fittings
Gift Card Balance
FAQs
Contact Us
Virtual FittingsBOOK NOW
Refer a FriendLearn More
About
Knix FundLearn More
Careers at KnixLearn More
Story & Mission
Why Leakproof?
Virtual Fittings
Store Locations
Ambassador Program
Careers
Rewards
Refer a Friend
Stores
Gift Cards
Blog

New
Best Sellers
Leakproof
Bras
Underwear
Swim
Shapewear
Active
Sleep
Teen
Last Call

Home/
Shop Swim/
One Shoulder One Piece Swimsuit

Shop Sets

Shop All

Mix and match your choice of colors!

Mixed Period Kit - Boyshort

One&Only Bra™ Set - Bikini

One&Only Bra™ Set - Bikini

Plunge Worthy Bikini Set

Plunge Worthy Bikini Set

Teen First Period Kit - Bikini

Teen First Period Kit - Bikini

Mix and match your choice of colors!

Heavy Period Kit - High Rise

Full Focus Active Set

Full Focus Active Set

Teen Period Full Confidence Swim Set

Teen Period Full Confidence Swim Set

Totally Sporty Swim Set

Totally Sporty Swim Set

Leakproof Classic One Piece Set

Leakproof Classic One Piece Set

High Confidence Swim Set

High Confidence Swim Set

Mesh Deep V Bra Set - High Rise

Mesh Deep V Bra Set - High Rise

Sultry String Bikini and Skirt Set

Sultry String Bikini and Skirt Set