Where Nothing Comes Between You and the Ocean.
During a duck dive. The moment of takeoff. That instant when you dive deep beneath the surface.
These are the moments when you’re fully connected to the ocean—and nothing should interrupt that connection, especially not a shifting swimsuit.
At eit swim, we set out to create more than just beautiful swimwear.
Our goal is a “second skin”—a piece that moves with your body, allowing you to stay fully present in the water.
Designed to fit smaller frames perfectly while still offering secure support for fuller bodies, each piece reflects the perspective of a surfer-designer and the precision of Japanese craftsmanship.
Here’s how we create swimwear that stays in place—even in powerful waves.
1. It Started with the Designer’s Own Struggle
The eit swim designer wears XXS–XS, with a petite and delicate frame.
Like many women, she struggled with standard swimwear shifting out of place in the ocean.
This led to an in-depth study of sizing for petite Asian women—followed by a broader exploration of diverse body types, shaping the foundation of eit swim’s design philosophy.
Underarm Fit
Designed to allow full arm მოძრაობ during paddling, while gently smoothing the underarm area for a clean silhouette.
Flattering Hip Cut
Rather than over-covering, the cut enhances natural curves—lifting and shaping the hips while elongating the legs.
Bust Support for Every Size
Excess fabric around smaller busts is eliminated through precise, multi-angle fitting.
For fuller busts, the combination of stretch fabric and thoughtful structure provides secure support—while maintaining a natural, flattering shape.
Extended Size Range up to LARGE
Starting in 2025, eit swim expanded sizing up to Large, making the collection accessible to a wider range of body types.
2. The Power of Elastic: Where Function Meets Beauty
The key to preventing shifting lies in the elastic.
At eit swim, we carefully select the type and width of elastic based on each part of the garment.
- Underbust
Slightly firmer elastic → Holds the bust securely in place and prevents slipping - Hip Area
Moderate tension → Keeps the fit stable without flattening natural curves - Shoulder Straps
Flat elastic → Maintains structure over time without overstretching
By placing elastic with the right tension and thickness, each piece delivers reliable support—even in the water.
3. Designed with the Flow of Water in Mind
Swim Tanks & Camisoles That Minimize Water Entry
Straps and bust areas are designed to sit closely against the body, reducing water from entering.
Elastic at the hem prevents the fabric from billowing underwater.
Refined High-Neck Designs
Seen in swim tanks and one-pieces, the high neckline has been repeatedly adjusted to reduce water دخول and minimize discomfort when diving in.
Built-In Flow: Cutouts & Wrap Designs
Select bra tops are intentionally designed to allow water to flow through naturally, stabilizing the cups even under wave impact.
4. Crafted by Japanese Artisans
Every eit swim piece is carefully made by skilled artisans in Japan.
A Fit That Moves with You
Unlike mass production, the precise and consistent stitching creates a smooth, second-skin feel without tightness or restriction.
Exceptional Durability
The carefully sewn threads resist stretching, twisting, or breaking—even through intense surf.
Each piece is made to last, so you can wear it season after season.
Top 3 “Stay-Put” Bikini Tops for Surfing
From the eit swim collection, here are our top bikini tops recommended for surfing:
No.1 Bandeaukini
Full coverage on both the upper and lower bust, with built-in elastic for a secure, confident fit.
No.2 Back Line Bikini Top
A triangle bikini designed for ease of arm movement during paddling, with slightly wider straps for added support.
No.3 Soil Retro Bikini Top
Minimal in appearance, yet highly functional—thanks to its body-hugging fabric and adjustable back ribbon design. A long-time favorite.
As for bottoms, with the correct size, slipping from wave impact is rarely a concern.
The same body-hugging hold is a standard across all eit swim pieces.
eit swim is here to protect your freedom in the ocean.
Move with the waves. Stay present. Experience the ocean in a new way—with eit swim.