O'Brien Square Neck Top - Sea Friends Blue

The O’Brien Square Neck Top is your go-to for all-day adventure. Designed with a sleek square neckline and removable padding, it offers just the right amount of support for ocean dips, coastal hikes, and everything in between. Think of it as your sporty sidekick—more supportive than your average bikini, yet relaxed enough for everyday wear. Style meets substance in a top that moves with you, not against you.

REPREVE® Hawaii

Made with sustainability at heart, REPREVE® Hawaii reflects our shared commitment to the planet.
This innovative fabric is crafted from recycled plastic bottles using REPREVE’s patented technology, creating a soft, high-performance material.
With built-in UPF 50+ protection and chlorine resistance, it’s as durable as it is eco-friendly, making it a perfect choice for any beach or poolside adventure.

Material: 86% Recycled REPREVE® Nylon, 14% Elastane
Key Features:

• UPF 50+ sun protection
• Ultra-soft touch for comfort
• Chlorine-resistant for lasting quality

Show your O’Brien Top some love! Rinse it after every salty splash, dry it flat in the shade, and skip the bleach or tumble dryer. Treat it gently, and it’ll stay with you season after season.

See our Care Instructions page for more tips on keeping your P.S. Bondi swimwear looking fresh.

The O’Brien Square Neck Top hugs comfortably without digging in, giving a smooth, flattering silhouette that stays put as you move. The square neckline highlights the shoulders, while wide straps offer light yet steady support.

Best suited for smaller to medium bust sizes, it creates a natural shape with gentle lift and customizable coverage thanks to removable padding.

For further information about sizing, including our handy size chart, head to our Sizing page.