Take a look at the three different sizes of foam core used in the AUROLA fins.
When you flip the inside of the fin over, you can see that it has multiple layers like this.
The base of the fin is made of multiple layers of cloth.
It is usually inside the building, so you probably won't have a chance to see it in person, but
This is what foam core looks like.
Please take a look at our three sizes of foam core.
↑Large, when compared with the same area,
The foam section is the largest, making the fin the lightest and most flexible.
↑Small is
The foam section is the smallest, thinnest, and most abundant, making the fin lighter and providing the greatest hardness.
↑ As the name suggests, the medium is between the large and small in weight and has an intermediate flex.