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From toddlers to preteens, girls appreciate having the perfect outfit. Whether the girls in your life are princesses or sports stars, thredUP has a nice selection of clothes to meet their preferences. Clothes don't grow™, your kids do—shop today to find amazing items at up to 90% off estimated retail!

TealRemove filter6-9 moRemove filter
61 items
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    Mori Short Sleeve T-Shirt (view 2)Mori Short Sleeve T-Shirt (view 1)
    View Product: Mori Short Sleeve T-Shirt

    Mori

    Short Sleeve T-Shirt
    Size 6-9 mo
    $11.99
    45% off estimated retail
    Cherokee Short Sleeve Onesie (view 2)Cherokee Short Sleeve Onesie (view 1)
    View Product: Cherokee Short Sleeve Onesie

    Cherokee

    Short Sleeve Onesie
    Size 6-9 mo
    $4.99 $3.99 20% off with code THANKU
    28% off estimated retail
    Hb Long Sleeve Onesie (view 2)Hb Long Sleeve Onesie (view 1)
    View Product: Hb Long Sleeve Onesie

    Hb

    Long Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    45% off estimated retail
    Swiggles Short Sleeve Onesie (view 2)Swiggles Short Sleeve Onesie (view 1)
    View Product: Swiggles Short Sleeve Onesie

    Swiggles

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    45% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Unbranded Short Sleeve Onesie (view 2)Unbranded Short Sleeve Onesie (view 1)
    View Product: Unbranded Short Sleeve Onesie

    Unbranded

    Short Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    The Modern Baby Short Sleeve Onesie (view 2)The Modern Baby Short Sleeve Onesie (view 1)
    View Product: The Modern Baby Short Sleeve Onesie

    The Modern Baby

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    The Children's Place Short Sleeve Onesie (view 2)The Children's Place Short Sleeve Onesie (view 1)
    View Product: The Children's Place Short Sleeve Onesie

    The Children's Place

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    27% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    35% off estimated retail
    TU Short Sleeve Outfit (view 2)TU Short Sleeve Outfit (view 1)
    View Product: TU Short Sleeve Outfit

    TU

    Short Sleeve Outfit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Cat & Jack Short Sleeve Onesie (view 2)Cat & Jack Short Sleeve Onesie (view 1)
    View Product: Cat & Jack Short Sleeve Onesie

    Cat & Jack

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    30% off estimated retail
    Ralph by Ralph Lauren Short Sleeve Onesie (view 2)Ralph by Ralph Lauren Short Sleeve Onesie (view 1)
    View Product: Ralph by Ralph Lauren Short Sleeve Onesie

    Ralph by Ralph Lauren

    Short Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    50% off estimated retail
    Under Armour Long Sleeve Onesie (view 2)Under Armour Long Sleeve Onesie (view 1)
    View Product: Under Armour Long Sleeve Onesie

    Under Armour

    Long Sleeve Onesie
    Size 6-9 mo
    $11.99 $8.39 30% off with code THANKU
    55% off estimated retail
    H&M Long Sleeve Onesie (view 2)H&M Long Sleeve Onesie (view 1)
    View Product: H&M Long Sleeve Onesie

    H&M

    Long Sleeve Onesie
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Assorted Brands Hat (view 1)
    View Product: Assorted Brands Hat

    Assorted Brands

    Hat
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    54% off estimated retail
    Assorted Brands Long Sleeve Onesie (view 2)Assorted Brands Long Sleeve Onesie (view 1)
    View Product: Assorted Brands Long Sleeve Onesie

    Assorted Brands

    Long Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    59% off estimated retail
    The Children's Place Short Sleeve Onesie (view 2)The Children's Place Short Sleeve Onesie (view 1)
    View Product: The Children's Place Short Sleeve Onesie

    The Children's Place

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    27% off estimated retail
    Cat & Jack One Piece Swimsuit (view 2)Cat & Jack One Piece Swimsuit (view 1)
    View Product: Cat & Jack One Piece Swimsuit

    Cat & Jack

    One Piece Swimsuit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    35% off estimated retail
    First Impressions Short Sleeve Outfit (view 2)First Impressions Short Sleeve Outfit (view 1)
    View Product: First Impressions Short Sleeve Outfit

    First Impressions

    Short Sleeve Outfit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Tea Dress (view 2)Tea Dress (view 1)
    View Product: Tea Dress

    Tea

    Dress
    Size 6-9 mo
    $16.99 $11.89 30% off with code THANKU
    54% off estimated retail
    First Impressions Short Sleeve Onesie (view 2)First Impressions Short Sleeve Onesie (view 1)
    View Product: First Impressions Short Sleeve Onesie

    First Impressions

    Short Sleeve Onesie
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Cloud Island Short Sleeve Onesie (view 2)Cloud Island Short Sleeve Onesie (view 1)
    View Product: Cloud Island Short Sleeve Onesie

    Cloud Island

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    $7
    Quiltex Short Sleeve Onesie (view 2)Quiltex Short Sleeve Onesie (view 1)Price Drop
    View Product: Quiltex Short Sleeve Onesie

    Quiltex

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    $7
    Gerber Short Sleeve Onesie (view 2)Gerber Short Sleeve Onesie (view 1)Price Drop
    View Product: Gerber Short Sleeve Onesie

    Gerber

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    $7
    Gerber Short Sleeve Onesie (view 2)Gerber Short Sleeve Onesie (view 1)
    View Product: Gerber Short Sleeve Onesie

    Gerber

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Beaux et Belles Short Sleeve Onesie (view 2)Beaux et Belles Short Sleeve Onesie (view 1)Price Drop
    View Product: Beaux et Belles Short Sleeve Onesie

    Beaux et Belles

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    $7
    Cloud Island Short Sleeve Onesie (view 2)Cloud Island Short Sleeve Onesie (view 1)
    View Product: Cloud Island Short Sleeve Onesie

    Cloud Island

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    $7
    Assorted Brands Short Sleeve Onesie (view 2)Assorted Brands Short Sleeve Onesie (view 1)Price Drop
    View Product: Assorted Brands Short Sleeve Onesie

    Assorted Brands

    Short Sleeve Onesie
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    33% off estimated retail
    Assorted Brands Short Sleeve Onesie (view 2)Assorted Brands Short Sleeve Onesie (view 1)Price Drop
    View Product: Assorted Brands Short Sleeve Onesie

    Assorted Brands

    Short Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Cloud Island Short Sleeve Onesie (view 2)Cloud Island Short Sleeve Onesie (view 1)
    View Product: Cloud Island Short Sleeve Onesie

    Cloud Island

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    $7
    Gerber Short Sleeve Onesie (view 2)Gerber Short Sleeve Onesie (view 1)Price Drop
    View Product: Gerber Short Sleeve Onesie

    Gerber

    Short Sleeve Onesie
    Size 6-9 mo
    $4.99 $3.99 20% off with code THANKU
    28% off estimated retail
    Kyle & Deena Short Sleeve Onesie (view 2)Kyle & Deena Short Sleeve Onesie (view 1)
    View Product: Kyle & Deena Short Sleeve Onesie

    Kyle & Deena

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Gerber Short Sleeve Onesie (view 2)Gerber Short Sleeve Onesie (view 1)Price Drop
    View Product: Gerber Short Sleeve Onesie

    Gerber

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Nautica Pullover Sweater (view 2)Nautica Pullover Sweater (view 1)Price Drop
    View Product: Nautica Pullover Sweater

    Nautica

    Pullover Sweater
    Size 6-9 mo
    $10.99 $8.24 25% off with code THANKU
    62% off estimated retail
    Juicy Couture Sweatshirt (view 2)Juicy Couture Sweatshirt (view 1)Price Drop
    View Product: Juicy Couture Sweatshirt

    Juicy Couture

    Sweatshirt
    Size 6-9 mo
    $18.99 $14.24 25% off with code THANKU
    78% off estimated retail
    Nautica Short Sleeve Onesie (view 2)Nautica Short Sleeve Onesie (view 1)
    View Product: Nautica Short Sleeve Onesie

    Nautica

    Short Sleeve Onesie
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    53% off estimated retail
    Cloud Island Short Sleeve Onesie (view 2)Cloud Island Short Sleeve Onesie (view 1)
    View Product: Cloud Island Short Sleeve Onesie

    Cloud Island

    Short Sleeve Onesie
    Size 6-9 mo
    $4.99 $3.99 20% off with code THANKU
    28% off estimated retail
    T.J. Maxx Bucket Hat (view 1)Price Drop
    View Product: T.J. Maxx Bucket Hat

    T.J. Maxx

    Bucket Hat
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Nanette Long Sleeve Onesie (view 2)Nanette Long Sleeve Onesie (view 1)Price Drop
    View Product: Nanette Long Sleeve Onesie

    Nanette

    Long Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Unbranded Short Sleeve Onesie (view 2)Unbranded Short Sleeve Onesie (view 1)Price Drop
    View Product: Unbranded Short Sleeve Onesie

    Unbranded

    Short Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Kidgets Long Sleeve Outfit (view 2)Kidgets Long Sleeve Outfit (view 1)Price Drop
    View Product: Kidgets Long Sleeve Outfit

    Kidgets

    Long Sleeve Outfit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    $11
    Assorted Brands Sun Hat (view 1)Price Drop
    View Product: Assorted Brands Sun Hat

    Assorted Brands

    Sun Hat
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    33% off estimated retail
    Little Beginnings Short Sleeve Onesie (view 2)Little Beginnings Short Sleeve Onesie (view 1)Price Drop
    View Product: Little Beginnings Short Sleeve Onesie

    Little Beginnings

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Cherokee Short Sleeve Outfit (view 2)Cherokee Short Sleeve Outfit (view 1)Price Drop
    View Product: Cherokee Short Sleeve Outfit

    Cherokee

    Short Sleeve Outfit
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    26% off estimated retail
    Nautica Short Sleeve Onesie (view 2)Nautica Short Sleeve Onesie (view 1)Price Drop
    View Product: Nautica Short Sleeve Onesie

    Nautica

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    46% off estimated retail
    Kyle & Deena Casual Pants (view 2)Kyle & Deena Casual Pants (view 1)Price Drop
    View Product: Kyle & Deena Casual Pants

    Kyle & Deena

    Casual Pants
    Size 6-9 mo
    $10.99 $8.79 20% off with code THANKU
    26% off estimated retail
    Small Wonders Short Sleeve Onesie (view 2)Small Wonders Short Sleeve Onesie (view 1)
    View Product: Small Wonders Short Sleeve Onesie

    Small Wonders

    Short Sleeve Onesie
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Child of Mine by Carter's Short Sleeve Outfit (view 2)Child of Mine by Carter's Short Sleeve Outfit (view 1)Price Drop
    View Product: Child of Mine by Carter's Short Sleeve Outfit

    Child of Mine by Carter's

    Short Sleeve Outfit
    Size 6-9 mo
    $5.99 $4.79 20% off with code THANKU
    14% off estimated retail
    Assorted Brands Short Sleeve Onesie (view 2)Assorted Brands Short Sleeve Onesie (view 1)New With Tags
    View Product: Assorted Brands Short Sleeve Onesie

    Assorted Brands

    Short Sleeve Onesie
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    John Deere Short Sleeve Onesie (view 2)John Deere Short Sleeve Onesie (view 1)Price Drop
    View Product: John Deere Short Sleeve Onesie

    John Deere

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    27% off estimated retail
    Sense Leggings (view 2)Sense Leggings (view 1)Price Drop
    View Product: Sense Leggings

    Sense

    Leggings
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    27% off estimated retail
    Splendid Short Sleeve Outfit (view 2)Splendid Short Sleeve Outfit (view 1)Price Drop
    View Product: Splendid Short Sleeve Outfit

    Splendid

    Short Sleeve Outfit
    Size 6-9 mo
    $9.99 $7.49 25% off with code THANKU
    54% off estimated retail
    Wonder Nation Dress (view 2)Wonder Nation Dress (view 1)Price Drop
    View Product: Wonder Nation Dress

    Wonder Nation

    Dress
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    33% off estimated retail
    Polarn O. Pyret Shorts (view 2)Polarn O. Pyret Shorts (view 1)Price Drop
    View Product: Polarn O. Pyret Shorts

    Polarn O. Pyret

    Shorts
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    81% off estimated retail
    KensieGirl Long Sleeve Onesie (view 2)KensieGirl Long Sleeve Onesie (view 1)Price Drop
    View Product: KensieGirl Long Sleeve Onesie

    KensieGirl

    Long Sleeve Onesie
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    63% off estimated retail
    Healthtex Long Sleeve Blouse (view 2)Healthtex Long Sleeve Blouse (view 1)Price Drop
    View Product: Healthtex Long Sleeve Blouse

    Healthtex

    Long Sleeve Blouse
    Size 6-9 mo
    $9.99 $7.99 20% off with code THANKU
    33% off estimated retail
    The Children's Place Casual Pants (view 2)The Children's Place Casual Pants (view 1)Price Drop
    View Product: The Children's Place Casual Pants

    The Children's Place

    Casual Pants
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Mayoral Dress (view 2)Mayoral Dress (view 1)Price Drop
    View Product: Mayoral Dress

    Mayoral

    Dress
    Size 6-9 mo
    $8.99 $7.19 20% off with code THANKU
    79% off estimated retail
    OshKosh B'gosh Shorts (view 2)OshKosh B'gosh Shorts (view 1)Price Drop
    View Product: OshKosh B'gosh Shorts

    OshKosh B'gosh

    Shorts
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    36% off estimated retail
    Assorted Brands Short Sleeve Onesie (view 2)Assorted Brands Short Sleeve Onesie (view 1)Price Drop
    View Product: Assorted Brands Short Sleeve Onesie

    Assorted Brands

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    46% off estimated retail
    Zak & Zoey Leggings (view 2)Zak & Zoey Leggings (view 1)
    View Product: Zak & Zoey Leggings

    Zak & Zoey

    Leggings
    Size 6-9 mo
    $6.99 $5.59 20% off with code THANKU
    36% off estimated retail
    Happi by Dena Short Sleeve Onesie (view 2)Happi by Dena Short Sleeve Onesie (view 1)Price Drop
    View Product: Happi by Dena Short Sleeve Onesie

    Happi by Dena

    Short Sleeve Onesie
    Size 6-9 mo
    $7.99 $6.39 20% off with code THANKU
    60% off estimated retail
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