My wife's birthday is around the corner and I want to make her a hammock. She just joined the forum today (Mokey Fraggle) and is finally getting in the hammock groove. She's roughly 140, what weight material would be best?

Something like 1.1 or 1.7? I have a ton of a 1.9ish sport nylon, but the lighter stuff feels soooo much better.

Thanks in advance.