Sea Level Swimwear Sizing & Fit – FAQs at Splash Swimwear

What is Multifit?

Sea Level’s Multifit technology is designed to suit a wide range of bust sizes. Each swimsuit includes a fixed foam cup that’s sewn in, using a high-grade foam that holds its shape before wear but softens and moulds to your body over time. This ensures comfort, flexibility, and a personalised fit after each wear.

Will Multifit support my bust size?

Multifit cups don’t use underwire, giving you a softer, more natural look. They are specially created to support C–D/DD cup sizes, and in many cases can fit up to E–EE busts depending on body shape and breast tissue.

Bust Support Options

  • Underwire – Built into selected swimsuits for firm, structured support.

  • Soft Foam Cups – Non-removable, stitched cups for subtle shaping and smoothing.

  • Removable Cups – Great for larger busts; remove them for more depth while Powermesh lining still provides support.

What is Powermesh Technology?

Sea Level swimsuits often feature Powermesh lining, a compressive yet breathable fabric that stretches in four directions. It moulds to your body like a custom fit while offering shaping, support, and a smooth feel against the skin. Powermesh is used in the front, back, and sides of swimsuits for all-round hold and body confidence.

Size & Fit Guidance

  • In-between sizes? It’s a personal preference—choose a tighter fit for firmer hold or a looser fit for comfort. Sea Level’s size chart covers A to G cups.

  • Long or short torso? Adjustable straps and halter styles work best. For long torsos, try singlet tops paired with bottoms, or size up in Multifit and moulded styles.

  • No measuring tape? Use string and measure against a ruler.

  • Doesn’t fit? No problem! Splash Swimwear offers a hassle-free returns policy so you can exchange for the right size easily.

Caring for Your Sea Level Swimwear

  • Washing: Rinse after each use and follow our care guide to extend the life of your swimsuit.

  • Lotions & Sunscreens: Be aware that oils, self-tanners, and bronzers can stain or damage fabric if not rinsed off promptly.

Is Sea Level Swimwear Sustainable?

Yes! Over 90% of Sea Level collections are made from recycled base fabrics, including regenerated nylon yarn derived from pre-consumer waste like fabric offcuts. The brand is working towards fully recycled swimwear, including linings and trims, while maintaining premium quality and durability.

With Sea Level at Splash Swimwear, you can shop confidently knowing you’re getting beautifully supportive, eco-friendly swimwear that’s made to last.