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Leakproof

Leakproof Classic One Piece Swimsuit

The Knix take on a classic. High quality fabric, gorgeous fit and instant confidence.

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Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Amber is a 34DD, has 38" hips and wears a Knix size M

Hanna is a 32B and wears a Knix size S

Leakproof

Leakproof Classic One Piece Swimsuit

The Knix take on a classic. High quality fabric, gorgeous fit and instant confidence.

A timeless style with a fit that we’ve spent years perfecting. Designed with premium UPF 50+ fabric, full butt coverage, removable cups and adjustable straps. Plus, get discreet, built-in protection against leaks. Absorbs about 1 regular tampon worth.

Fit tip: Plus cup sizes come with thicker straps for added support.

- Absorbs about the same as 1 regular tampon
- Full butt coverage
- Adjustable straps
- Built-in shelf bra
- Removable cups
- Thicker straps for plus cups for added support
- 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
FreshFix Technology®Gusset: 93% Polyester, 7% Spandex, 87% Polyester, 13% Spandex, 100% PU, Exclusive of Trims

Additional Product Ingredient Information

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.

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Leakproof Classic One Piece Swimsuit

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4.4

Rated 4.4 out of 5 stars

92 Reviews

4.4

Rated 4.4 out of 5 stars

92 Reviews

4.4

Rated 4.4 out of 5 stars

Based on 92 reviews

75%would recommend these products

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92 reviews

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Elizabeth H.
Verified Buyer
4 minutes ago
Rated 5 out of 5 stars
Color and fit
The blu color is gorgeous and the comfort and fit had me breakup with underwire suits and miracle suits. Loving the new styles.coming out this season!
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Dana S.
Verified Buyer
2 days ago
Rated 5 out of 5 stars
Great
Bathing suit is great. The fit is great so comfortable. It’s the best bathing suit I’ve ever had.
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Janyce B.
Verified Buyer
1 week ago
Rated 5 out of 5 stars
Love it!
So happy to see this in real colour! Really happy with the fit too. Thanks KNIX.
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Amber has 38" hips and wears a size M

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