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.
78 products
  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - BLACK
    arena-girls-solid-swim-pro-one-piece-swimsuit-black-white-2a611-55-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - NAVY
    arena-girls-solid-swim-pro-one-piece-swimsuit-navy-white-2a611-75-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • 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
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' BIG LOGO SWIM PRO BACK ONE PIECE
    Vendor
    arena
    Regular price
    $55.00
    Sale price
    $55.00
    Regular price
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' CRAZY PENGUINS ONE-PIECE
    GIRLS' CRAZY PENGUINS ONE-PIECE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' GEAR ONE-PIECE SWIMSUIT
    GIRLS' GEAR ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $34.99
    Sale price
    $34.99
    Regular price
    $49.99
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' BIG LOGO ONE PIECE - APHRODITE
    ONLY SIZE 26 - GIRLS' BIG LOGO ONE-PIECE SWIMSUIT - APHRODITE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • GIRLS' PLAYFUL ONE-PIECE
    GIRLS' PLAYFUL ONE-PIECE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' BIG LOGO ONE PIECE - SHINY PINK
    ONLY SIZE 26 - GIRLS' BIG LOGO ONE-PIECE SWIMSUIT - SHINY PINK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • 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
    Unit price
    per 
    Sold out
  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - RED
     arena-girls-solid-swim-pro-one-piece-swimsuit-red-white-2a263-45-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • 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 
    Sold out
  • 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
    per 
    Sold out
  • GIRLS' SCRATCHY ONE PIECE - BLACK
    ONLY SIZE 26 - GIRLS' SCRATCHY ONE-PIECE SWIMSUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
    Sold out
  • GIRLS' REN TWO PIECE - BLUE/PURPLE
    ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/PURPLE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • GIRLS' PLAY&FUN ONE PIECE - TURQUOISE
    ONLY SIZE 26 - GIRLS' PLAY&FUN ONE-PIECE SWIMSUIT - TURQUOISE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
    Sold out
  • GIRLS' SWIM&ROLL ONE PIECE
    ONLY SIZE 26 - GIRLS' SWIM&ROLL ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' SOLID SWIM TECH ONE PIECE - NAVY
        arena-girls-solid-swim-tech-one-piece-swimsuit-navy-white-2a607-75-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' FINDING ONE PIECE - BLACK
    ONLY SIZE 26 - GIRLS' FINDING ONE-PIECE KNEESUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $29.99
    Sale price
    $29.99
    Regular price
    $59.99
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' BIG LOGO ONE PIECE - BLACK/GREEN
    ONLY SIZE 26 - GIRLS' BIG LOGO ONE-PIECE SWIMSUIT - BLACK/GREEN - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • GIRLS' BIG LOGO ONE PIECE - BLUE
    ONLY SIZE 26 - GIRLS' BIG LOGO ONE-PIECE SWIMSUIT - BLUE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • GIRLS' HEY ONE PIECE - BLACK
    ONLY SIZE 26 - GIRLS' HEY ONE-PIECE SWIMSUIT - BLACK - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • GIRLS' TRICK SWIM PRO BACK ONE PIECE
    Vendor
    arena
    Regular price
    $55.00
    Sale price
    $55.00
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' BRIGHT HUES PRINT SWIM PRO BACK SWIMSUIT - ROYAL/FREAK ROSE
    arena-girls-bright-hues-print-swim-pro-back-one-piece-swimsuit-royal-freak-rose-005088-709-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $60.00
    Sale price
    $60.00
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' BRIGHT HUES PRINT SWIM PRO BACK SWIMSUIT - BLACK/MARTINICA
    arena-girls-bright-hues-print-swim-pro-back-one-piece-swimsuit-black-martinica-005088-580-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $60.00
    Sale price
    $60.00
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' SOLID SWIM PRO ONE-PIECE SWIMSUIT - ROYAL
    arena-girls-solid-swim-pro-one-piece-swimsuit-royal-white-2a611-72-ontario-swim-hub-1
    Vendor
    arena
    Regular price
    $65.00
    Sale price
    $65.00
    Regular price
    Unit price
    per 
    Sold out
  • GIRLS' SCRATCHY ONE PIECE - NAVY/TURQUOISE
    ONLY SIZE 26 - GIRLS' SCRATCHY ONE-PIECE SWIMSUIT - NAVY/TURQUOISE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    $49.99
    Unit price
    per 
    Sold out
  • GIRLS' ROWDY ONE PIECE
    ONLY SIZE 26 - GIRLS' ROWDY ONE-PIECE SWIMSUIT - OntarioSwimHub
    Vendor
    arena
    Regular price
    $32.49
    Sale price
    $32.49
    Regular price
    $64.99
    Unit price
    per 
    Sold out
  • GIRLS' REN TWO PIECE - NAVY/WHITE
    ONLY SIZE 26 - GIRLS' REN BIKINI - NAVY/WHITE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • 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 
    Sold out
  • GIRLS' REN TWO PIECE - BLUE/ORANGE
    ONLY SIZE 26 - GIRLS' REN BIKINI - BLUE/ORANGE - OntarioSwimHub
    Vendor
    arena
    Regular price
    $27.49
    Sale price
    $27.49
    Regular price
    $54.99
    Unit price
    per 
    Sold out
  • 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
  • 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 
    Sold out