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Collection: Girls' Training Suits

Arena’s training swimsuits for girls are fun, energetic designs in performance fabrics with features that both parents and girls love. With excellent UV and chlorine protection, maximum comfort, classic styles, and pretty prints, our suits will stand up to your rising swim star’s training without losing their shape.
93 products
  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - BLACK
    ARENA - G SOLID SWIM PRO JR ONE PIECE - BLACK:WHITE (2A611-055) front
    Vendor
    Arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' SPIDER ONE-PIECE SWIMSUIT
    Vendor
    Arena
    Regular price
    $32.49
    Sale price
    $32.49
    Regular price
    $64.99
    Unit price
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  • ONLY SIZE 26 - GIRLS' EVOLUTION ONE-PIECE SWIMSUIT - BLUE
    Vendor
    Arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
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  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - NAVY
    ARENA - G SOLID SWIM PRO JR ONE PIECE - NAVY:WHITE (2A611-075) front
    Vendor
    Arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' INSTINCT ONE-PIECE SWIMSUIT - PAPARAZZI
    Vendor
    Arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
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  • ONLY SIZE 26 - GIRLS' DYNAMO ONE-PIECE SWIMSUIT
    Vendor
    Arena
    Regular price
    $19.99
    Sale price
    $19.99
    Regular price
    $39.99
    Unit price
    per 
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  • GIRLS' RAINBOW ONE-PIECE SWIMSUIT
    Vendor
    Arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' INSTINCT ONE-PIECE SWIMSUIT - BLACK
    Vendor
    Arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
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  • GIRLS' FUNNY DOGS V BACK ONE-PIECE
    Vendor
    Arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' CRAZY PENGUINS ONE-PIECE
    Vendor
    Arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' PLAYFUL ONE-PIECE
    Vendor
    Arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • ONLY SIZE 22 - GIRLS' NIGHT LIGHTS LIGHT DROP BACK
    Vendor
    Arena
    Regular price
    $32.49
    Sale price
    $32.49
    Regular price
    $64.99
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  • ONLY SIZE 22 - GIRLS' COOL LIGHT DROP BACK
    Vendor
    Arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/PINK
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLACK/WHITE
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLACK/RED
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/GREEN
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • ONLY SIZE 24 - GIRLS' MARBLE TWO-PIECE TANKINI SWIMSUIT
    Vendor
    Arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
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  • ONLY SIZE 26 - GIRLS' FANTASY TRIANGLE TWO-PIECE SWIMSUIT
    Vendor
    Arena
    Regular price
    $19.99
    Sale price
    $19.99
    Regular price
    $39.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' FANTASY ROUCHE BANDEAU TWO-PIECE SWIMSUIT
    Vendor
    Arena
    Regular price
    $19.99
    Sale price
    $19.99
    Regular price
    $39.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' FANTASY BANDEAU TWO-PIECE SWIMSUIT
    Vendor
    Arena
    Regular price
    $19.99
    Sale price
    $19.99
    Regular price
    $39.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/ORANGE
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLACK/BLUE
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • ONLY SIZE 26 - GIRLS' REN BIKINI - NAVY/WHITE
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/PURPLE
    Vendor
    Arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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