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Shop All Teen

Boost confidence in our cute and comfy teen period undwear and swimwear that looks, feels and fits just like regular.

57 Items

Best Seller

Teen Super Leakproof® Sleepover Short

$39.00 USD

Save up to 20%

Color: Mood Ring, limited edition

Mood RingBlackGuavaNight Sky

New

Teen First Serve Pleated Skort

$55.00 USD

Color: White

WhiteBlackShady Blue

Sale

Teen Light Leakproof No-Show Bikini 3-Pack

$51.00 USD

$57.00

10% off

Color: Picnic Plaid/Cosmo/Ultra Violet, limited edition

Picnic Plaid/Cosmo/Ultra VioletBlackNight Sky/Beige/BlackBlueberry/Holly/Galaxy

New

Teen First Serve Sport Dress

$85.00 USD

Color: Shady Blue, limited edition

Shady BlueBlackWhite

Best Seller

Teen Period Swim Sport One-Piece

$83.00 USD

Color: Seabreeze, limited edition

SeabreezeBlackPoppy PetalWave Pool

New

Teen First Serve Racerback Tank

$45.00 USD

Color: White

WhiteBlackShady Blue

Sale

Teen Leakproof Cotton Bikini 3-Pack

From $54.00 USD

Save 10%

Color:

KnixTeen

Teen Leakproof Active Legging

$65.00 USD

Color: Shady Blue, limited edition

Shady BlueBlack

New Silhouette

Teen Racerback Tankini Swim Top

$45.00 USD

Color: Seabreeze, limited edition

SeabreezeBlackPoppy PetalWave Pool

KnixTeen

Teen Leakproof Active Short

$35.00 USD

Color: Black

BlackNight SkyShady Blue

Sale

Teen Super Leakproof® No-Show Bikini 3-Pack

$67.00 USD

$75.00

10% off

Color: Energize/Marina/Highlight, limited edition

Energize/Marina/HighlightBlackNight Sky/Beige/BlackGumdrop/Blueberry/Black

KnixTeen

Teen Leakproof UltraThin No-Show Boyshort

$22.00 USD

Save up to 20%

Color: Marina, limited edition

MarinaBlackWarm SandPerfect Pear

Sale

Teen Super Leakproof® No-Show 4-Pack - Bikini

From $90.00 USD

Save $10

Color:

KnixTeen

Teen Period Swim Bikini Bottom

$40.00 USD

Color: Marina, limited edition

MarinaBlackPoppy PetalWave Pool

Sale

Teen Leakproof UltraThin No-Show Boyshort 3-Pack

$59.00 USD

$66.00

10% off

Color: Energize/Marina/Highlight, limited edition

Energize/Marina/HighlightBlackRuby/Sugar Plum/PosyBlueberry/Holly/Galaxy

Sale

Teen Leakproof UltraThin No-Show 4-Pack - Boyshort

From $79.20 USD

Save $8

Color:

Sale

Teen Everyday Leakproof Kit - Boyshort

From $106.40 USD

Save $26

Color:

Sale

Teen Light Leakproof No-Show Boyshort 3-Pack

$51.00 USD

$57.00

10% off

Color: Electric Orchid/Teal Appeal/Lagoon, limited edition

Electric Orchid/Teal Appeal/LagoonBlackNight Sky/Beige/BlackRuby/Sugar Plum/Posy

Best Seller

Teen Leakproof UltraThin No-Show Bikini

$22.00 USD

Save up to 20%

Color: Cosmo, limited edition

CosmoBlackWarm SandPerfect Pear

KnixTeen

Teen Leakproof Luxe Modal Sleep Boxer

$30.00 USD

Save up to 20%

Color: Electric Orchid, limited edition

Electric OrchidBlackRubyEnergize

KnixTeen

Teen Period Swim Short

$50.00 USD

Color: Seabreeze, limited edition

SeabreezeBlackPoppy PetalWave Pool

KnixTeen

Teen Double Scoop Bikini Top

$45.00 USD

Color: Marina, limited edition

MarinaBlackPoppy PetalWave Pool

Amarii (she/her) has 39" hips and is wearing a size L

New

Teen Leakproof Front-to-Back Liner Bikini

$29.00 USD

Save up to 20%

Color: Black

Black

Sale

Teen Leakproof UltraThin No-Show Bikini 3-Pack

$59.00 USD

$66.00

10% off

Color: Electric Orchid/Teal Appeal/Lagoon, limited edition

Electric Orchid/Teal Appeal/LagoonBlackRuby/Sugar Plum/PosyBlueberry/Holly/Galaxy

KnixTeen

Teen Light Leakproof No-Show Boyshort

$19.00 USD

Save up to 20%

Color: Cosmo, limited edition

CosmoBlackWarm SandNight Sky

KnixTeen

Teen Period Swim Twist High Rise Bikini Bottom

$50.00 USD

Color: Marina, limited edition

MarinaBlackPoppy PetalWave Pool

KnixTeen

Teen Super Leakproof® No-Show Boyshort

$25.00 USD

Save up to 20%

Color: Mood Ring, limited edition

Mood RingBlackWarm SandPerfect Pear

New

Teen Triangle Bikini Top

$45.00 USD

Color: Marina, limited edition

MarinaBlackPoppy PetalWave Pool

Best Seller

Teen Super Leakproof® No-Show Bikini

$25.00 USD

Save up to 20%

Color: Mood Ring, limited edition

Mood RingBlackWarm SandPerfect Pear

New Silhouette

Teen High Tide Cropped Swim Top

$50.00 USD

Color: Marina, limited edition

MarinaSeabreeze

KnixTeen

Teen Period Swim Full-Coverage Bikini Bottom

$40.00 USD

Color: Seabreeze, limited edition

SeabreezeBlackPoppy PetalWave Pool

Best Seller

Teen Leakproof Cotton Bikini

$20.00 USD

Save up to 20%

Color: Pepper

PepperBlackNight Sky

KnixTeen

Teen Leakproof Thigh Saver®

$38.00 USD

Save up to 20%

Color: Black

Black

KnixTeen

Teen Period Swim Board Shorts

$50.00 USD

Color: Seabreeze, limited edition

SeabreezeBlackPoppy PetalWave Pool

KnixTeen

Teen Light Leakproof No-Show Bikini

$19.00 USD

Save up to 20%

Color: Electric Orchid, limited edition

Electric OrchidBlackWarm SandNight Sky

Sale

Teen Super Leakproof® No-Show Boyshort 3-Pack

$67.00 USD

$75.00

10% off

Color: Picnic Plaid/Cosmo/Ultra Violet, limited edition

Picnic Plaid/Cosmo/Ultra VioletBlackNight Sky/Beige/BlackGumdrop/Blueberry/Black

Rose (she/her) has 35" hips and is wearing a size M

KnixTeen

Teen Light Leakproof No-Show Boyshort

$19.00 USD

Save up to 20%

Color: Black

BlackWarm SandNight SkyElectric Petals

Sale

Teen Light Leakproof No-Show 4-Pack - Bikini

From $68.40 USD

Save $7

Color:

KnixTeen

Teen Travel Bag

$15.00 USD

Color: Black

Black

Sale

Teen First Period Kit - Boyshort

From $144.00 USD

Save $36

Color:

Knix Teen

Teen Swim Essentials Period Kit - Bikini

From $169.15 USD

Save $29

Color:

Sale

Teen Heavy Period Kit - Boyshort

From $151.20 USD

Save $37

Color:

Sale

Teen Starter 4-Pack - Bikini

From $109.80 USD

Save $12

Color:

Tracy (she/her) has 37" hips and is wearing a size M

KnixTeen

Teen Light Leakproof No-Show Bikini

$19.00 USD

Save up to 20%

Color: Black

BlackWarm SandNight SkyCosmo

Sale

Teen First Period Kit - Bikini

From $144.00 USD

Save $34

Color:

Sale

Teen Heavy Period Kit - Bikini

From $151.20 USD

Save $37

Color:

Sale

Teen Starter 4-Pack - Boyshort

From $109.80 USD

Save $12

Color:

Sale

Teen Light Leakproof No-Show 4-Pack - Boyshort

From $68.40 USD

Save $7

Color:

Sale

Teen Super Leakproof® No-Show 4-Pack - Boyshort

From $90.00 USD

Save $10

Color:

Sale

Teen Leakproof UltraThin No-Show 4-Pack - Bikini

From $79.20 USD

Save $8

Color:

Knix Teen

Teen Swim Essentials Period Kit - Boyshort

From $169.15 USD

Save $29

Color:

Sale

Teen Everyday Leakproof Kit - Bikini

From $106.40 USD

Save $26

Color:

New

Teen Reusable Snap Pads 3-Pack (Regular)

$36.00 USD

Color: Black

Black

KnixTeen

Teen UltraThin Bikini: Holiday 3-Pack

$66.00 USD

Color: Comet/Atmosphere/Starstruck, limited edition

Comet/Atmosphere/Starstruck

KnixTeen

Some Periods: A First Book About Periods

$10.00 USD

Color:

Sale

Teen School Period Kit - Bikini

From $109.50 USD

Save $36

Color:

Sale

Teen School Period Kit - Boyshort

From $108.50 USD

Save $36

Color:

Boost confidence in our cute and comfy teen period undwear and swimwear that looks, feels and fits just like regular.

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