How does the aluminium ribs in the bow and stern improve the performance of the StraitEdge kayaks?

Inflatable Kayak StraitEdge2 AE1014-Y Advanced Elements BowThe aluminium rib in the bow gives it a vertically narrow shape, which allows it to cut through the water, reducing resistance.

The bow is also quite high, which helps prevent waves from breaking over the kayak when you are in open ocean conditions.

The aluminium rib in the stern closes the water behind the boat and acts like a skeg to keep the kayak traveling straight.