Atwinda stated: They are really new "large-speed" foils. They'll nonetheless use the more substantial L foils for mild air. So really, the issue is that they're Titanium, and possibly simpler to interchange the reduced foil part if some thing takes place to them, and they may bring about bigger speeds https://www.callupcontact.com/b/businessprofile/Offshore_Sailing_School/9566866