Suggestions

Top Picks

| White with Black Polka Dot

Limited Time Offer

Revolution V-Neck Bra

Buy a Bra, Get Free Undies

Molly has 35.5” hips and wears KNIX S | Plaid

Super Leakproof® Dream Boxer

The Quintessential Sleep Set

| Black with White Polka Dot

Leakproof UltraThin No-Show High Rise

Mix, Match & Save

Home / Swim One-Pieces

Swim One-Pieces

Get the perfect balance of comfort, support and coverage. Designed to embrace the real you.

15 items

| Black with White Polka Dot

Leakproof Sculpt Deep-V One Piece Swimsuit

Amber is a 34DD, has 38

Leakproof Classic One Piece Swimsuit

| Wild Cat

Sleek Sculpt One Piece Swimsuit

Jay is a 30F, has 36

Leakproof Deep V One Piece Swimsuit

| Wild Cat

Sculpt Wrap One Piece Swimsuit

Jay is a 30F and wears a Knix size XS+ | Black

Classic One Piece Swimsuit

Sofia is a 32C, 5’10”, and wearing KNIX S | Black/White

Sculpt One Shoulder One Piece Swimsuit

| Black

Leakproof Deep V One Piece Swimsuit - Long Torso

Isabelle is a 34DD, has 40

Deep V One Piece Swimsuit

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

| Black

Leakproof Classic One Piece Swimsuit - Long Torso

Amber is 5’10.5”, a 36C, has 44” hips and wears a Knix size L | Black/White

Cap-Sleeve One Piece Swimsuit - Color Block

Gabrielle is a 38E, has 48

Cinch Leakproof Shaper One Piece Swimsuit

| Black

High Neck One Piece Swimsuit

Sofia is a 32C and wearing KNIX S | Black

Sculpt Ruched One Piece Swimsuit

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

Teen