A solid choice — #8 of 31 Polyester ranks #8 of 31 fabrics for chafe resistance. It is a good fabric for this. Ranked with a smooth-fibre bonus plus low weight and breathability. The top pick is Silk.
Polyester measures 30/100 for breathability, 0% moisture regain, 50/100 warmth, at 140 gsm. Chafe resistance rewards a smooth, light surface: Polyester has a smooth hand at 140 gsm.