Start watching this video at 4:50 and take a look at the thickness of the fiberglass under the bow of this large and new Beneteau. I don't think the glass could be over 1/8th of an inch thick. At that spot, my forty year old Tartan is about and inch and a half. I was still surprised at this. This spot had flexed so much that it had popped off the exterior gelcoating. That's how they first noticed it, snorkeling under the boat.