Speedo Girls Dive Thinstrap Muscleback One Piece Swimsuit

Speedo Girls Dive Thinstrap Muscleback One Piece

Built for young swimmers who train hard and want to look great doing it. The Speedo Girls Dive Thinstrap Muscleback is a performance one-piece designed to move with your child in the water — whether it's squad training, lessons, or weekend laps.

Why Swimmers Love It

• Thinstrap & Open Muscleback – Maximum shoulder freedom for freestyle, backstroke, and butterfly.
• Chlorine-Resistant Fabric – Speedo's durable material holds its shape and colour through hundreds of pool sessions.
• Secure, Stay-Put Fit – Stays in place during flip turns and push-offs so she can focus on her stroke.
• Quick-Drying & Lightweight – Comfortable from warm-up to cool-down and easy to pack for swim meets.
• Sleek Competition-Ready Style – Clean lines and bold Speedo design that looks as fast as it performs.

Perfect For

Squad training, swim school, recreational laps, and junior competition. Pairs well with Speedo goggles and a silicone swim cap for a complete training kit.

Shop the full Speedo girls' range at Swimwear Shack — Australia's home of premium swimwear and training gear.