Suggestions

Top Picks

| White with Black Polka Dot

Limited Time Offer

Revolution V-Neck Bra

Buy a Bra, Get Free Undies

Binta wears KNIX L | Blue Stripe

Super Leakproof® Dream Boxer

| Black with White Polka Dot

Leakproof UltraThin No-Show High Rise

Mix, Match & Save

Limited Time Offer

Uplift Push Up Bra

Buy a Bra, Get Free Undies

Home / Leakproof Swimwear

Leakproof Swimwear

Picture perfect suits that don’t sacrifice comfort for style, available in more cuts and colors than ever before.

14 items

| Cherry

Leakproof Sculpt Classic One Piece Swimsuit

| Navy Seersucker

Leakproof Seersucker Sculpt Deep-V One Piece Swimsuit

| Cherry

Leakproof Sculpt High Rise Bikini Swim Bottom

| Black with White Polka Dot

Leakproof Sculpt Deep-V One Piece Swimsuit

| Black

Leakproof Classic One Piece Swimsuit

| Black

Leakproof Bikini Swim Bottom

| Black

Leakproof Deep V One Piece Swimsuit

Maya has 42

Leakproof High Rise High Cut Swim Bottom

Molly has 35.5” hips and wears a Knix size S | Black/White

Leakproof High Rise Bikini Swim Bottom - Color Block

Maya is 5’7”, a 34DDD, has 43” hips and wears a Knix size L | Black/White

Leakproof Cap-Sleeve One Piece Swimsuit - Color Block

| Wild Cat

Leakproof Sculpt High Cut Bikini Swim Bottom

| Black

Leakproof Deep V One Piece Swimsuit - Long Torso

| Black

Leakproof Classic One Piece Swimsuit - Long Torso

Isabelle has 40

Leakproof Swim Skirt

Your questions, answered.

How do I care for my Knix products?

What is your return policy?

How do I find my size?

Shop by Category

Bras

Underwear

Sleep

New Arrivals

Best Sellers

Apparel

Active

Shapewear

Mens

Teen