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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.
91 products
  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - BLACK
    GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' SPIDER ONE-PIECE SWIMSUIT
    GIRLS' SPIDER ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $32.49
    Sale price
    $32.49
    Regular price
    $64.99
    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' EVOLUTION ONE PIECE - BLUE
    ONLY SIZE 26 - GIRLS' EVOLUTION ONE-PIECE SWIMSUIT - BLUE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
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  • GIRLS' TEAM STRIPE ONE PIECE - BLACK
    ONLY SIZE 26 - GIRLS' TEAM STRIPE ONE-PIECE SWIMSUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
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  • GIRLS' INSTINCT ONE-PIECE SWIMSUIT - BLACK
    GIRLS' INSTINCT ONE-PIECE SWIMSUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
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  • GIRLS' INSTINCT ONE-PIECE SWIMSUIT - PAPARAZZI
    GIRLS' INSTINCT ONE-PIECE SWIMSUIT - PAPARAZZI - OntarioSwimHub
    Vendor
    arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
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  • GIRLS' FUNNY DOGS V BACK ONE-PIECE
    GIRLS' FUNNY DOGS V BACK ONE-PIECE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' CRAZY PENGUINS ONE-PIECE
    GIRLS' CRAZY PENGUINS ONE-PIECE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' PLAYFUL ONE-PIECE
    GIRLS' PLAYFUL ONE-PIECE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
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  • GIRLS' SCRATCHY ONE PIECE - NAVY/PINK
    ONLY SIZE 26 - GIRLS' SCRATCHY ONE-PIECE SWIMSUIT - NAVY/PINK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
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  • GIRLS' DEMETRA ONE PIECE - BLACK
    ONLY SIZE 26 - GIRLS' DEMETRA ONE-PIECE SWIMSUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • GIRLS' DYNAMO ONE PIECE
    ONLY SIZE 26 - GIRLS' DYNAMO ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $19.99
    Sale price
    $19.99
    Regular price
    $39.99
    Unit price
    per 
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  • GIRLS' ROY ONE PIECE
    ONLY SIZE 26 - GIRLS' ROY ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
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  • GIRLS' SUBMARINE ONE PIECE - YELLOW
    ONLY SIZE 26 - GIRLS' SUBMARINE ONE-PIECE SWIMSUIT - YELLOW - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
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  • GIRLS' ASAMI ONE-PIECE SWIMSUIT
    GIRLS' ASAMI ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
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  • GIRLS' SOLID SWIM TECH ONE PIECE - NAVY
    ONLY SIZE 28 - GIRLS' SOLID SWIM TECH ONE-PIECE SWIMSUIT - NAVY - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
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  • GIRLS' RAINBOW ONE-PIECE SWIMSUIT
    GIRLS' RAINBOW ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
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  • GIRLS' SCRATCHY ONE PIECE - PINK
    ONLY SIZE 26 - GIRLS' SCRATCHY ONE-PIECE SWIMSUIT - PINK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
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  • GIRLS' NIGHT LIGHTS LIGHT DROP BACK ONE PIECE
    ONLY SIZE 22 - GIRLS' NIGHT LIGHTS LIGHT DROP BACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $32.49
    Sale price
    $32.49
    Regular price
    $64.99
    Unit price
    per 
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  • GIRLS' COOL LIGHT DROP BACK ONE PIECE
    ONLY SIZE 22 - GIRLS' COOL LIGHT DROP BACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
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  • GIRLS' REN TWO PIECE - BLUE/PINK
    ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/PINK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • GIRLS' REN TWO PIECE - BLACK/WHITE
    ONLY SIZE 26 - GIRLS' REN BIKINI - BLACK/WHITE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • GIRLS' REN TWO PIECE - BLACK/RED
    ONLY SIZE 26 - GIRLS' REN BIKINI - BLACK/RED - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
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  • GIRLS' REN TWO PIECE - BLUE/GREEN
    ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/GREEN - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out