Girl Activewear

save UP TO 60% off
End of Season sale

Our Winter Sale is happening now. All Fall and Winter items have been permanently marked down up to 60% off the original price. NOW you can receive an additional 20% OFF already marked down sale items. Enter code: Winter23 at checkout.

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      Mumzie's Children carries girls tennis dresses, tennis skirts and girls activewear or athleisure. Girls sizes 4-16. Out popular athleisure brand, Set Athleisure, is a favorite for girls providing comfortable yet fashionable clothing for girls with a boutique look.

      "Whether it be for tennis practice or just hanging out with friends, SET Athleisure provides the perfect outfits for girls aged four to sixteen! The colors of the clothing are bright and happy, just like the girls wearing them."

      43 products

      43 products

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      Tinsley Tennis Dress LS-White/Turq/Heart
      Set
      $48.00
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      Sarah Skort-RoyalMG/PinkMG
      Set
      $66.00
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      Sarah Skort-PinkMG/BlueMG
      Set
      $66.00
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      Quinn skort-Lavender/Pink MG
      Set
      $57.00
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      Quinn skort-PinkMG/RoyalMG
      Set
      $57.00
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      Quinn Skort-Heart
      Set
      $57.00
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      Mallory Legging/Skirt-PinkMG/BLueMG
      Set
      $60.00
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      Lindsay Long T LS-White/Pink
      Set
      $10.00
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      Juliet Jacket-Pink MG
      Set
      $86.00
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      Juliet Jacket-Mint/Pink
      Set
      $77.00
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      Juliet Jacket-Blue MG/Pink MG
      Set
      $86.00
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      Darla Dropwaist Dress LS-Lavender/PinkMG
      Set
      $77.00
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      Darla Dropwaist Dress LS-PinkMG/RoyalMG
      Set
      $77.00
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      Bridget Basic T-Lavender/Pink MG
      Set
      $42.00
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      Brianna Sports Bra-White
      Set
      $24.00
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      Brianna Sports Bra-Navy
      Set
      $24.00
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      Annie Short-White/Pink/Blue
      Set
      $42.00
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      Annie Short-Pink/Lavender MG
      Set
      $44.00
      Sale
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      Tinsley Tennis Dress-White/Pink/Royal - Mumzie's Children
      Tinsley Tennis Dress-White/Pink/Royal
      Set
      $55.00 $28.00
      Sale
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      Bridget Basic Tee-White/Royal MG - Mumzie's Children
      Bridget Basic Tee-White/Royal MG
      Set
      $33.00 $10.00
      Sale
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      Riley Tank-Pink/Royal MG - Mumzie's Children
      Riley Tank-Pink/Royal MG
      Set
      $35.00 $10.00
      Sale
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      Tinsley Tennis Dress-Pink MG/White - Mumzie's Children
      Tinsley Tennis Dress-Pink MG/White
      Set
      $64.00 $32.00
      Sale
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      Quinn Skort-Eyelet - Mumzie's Children
      Quinn Skort-Eyelet
      Set
      $51.00 $15.00
      Sold Out
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      Annie Short-Blue/Pink Ricrac - Mumzie's Children
      Annie Short-Blue/Pink Ricrac
      Set
      $40.00 $20.00
      Sale
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      Annie Short -Blue MG/Pink MG - Mumzie's Children
      Annie Short -Blue MG/Pink MG
      Set
      $44.00 $22.00
      Sale
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      Lindsay Long Tee LS - White Athleisure / Pink Welting - Mumzie's Children
      Lindsay Long Tee LS - White Athleisure / Pink Welting
      Set
      $46.00 $10.00
      Sale
      Quick view
      Lindsay Long Tee LS - Navy Athleisure / Pink Welting - Mumzie's Children
      Lindsay Long Tee LS - Navy Athleisure / Pink Welting
      Set
      $46.00 $10.00
      Sale
      Quick view
      Darla Dropwaist Polo Dress LS - Navy Athleisure / Pink Placket & Sleeves - Mumzie's Children
      Darla Dropwaist Polo Dress LS - Navy Athleisure / Pink Placket & Sleeves - Mumzie's Children
      Darla Dropwaist Polo Dress LS - Navy Athleisure / Pink Placket & Sleeves
      Set
      $71.00 $36.00