Special request

[knothead]

Hi All,
I have a customer who's 88 year old Dad needs to replace his genoa sheets.
My customer wants to get the new sheets for a father's day present.
It's really important to me to please these people and I want to recommend the right product.
The gentleman has expressed a desire for a soft line that doesn't kink. The sheets are currently 9/16".
My initial thoughts were a spun polyester or a single braid.

As I said, it's important to me to do right by these folks. There's just not too many of the real old time sailors left. This guy is one of them . I would appreciate any thoughts.

Thanks,
Steve