Excellent choice — #2 of 31 Cupro ranks #2 of 31 fabrics for chafe resistance. It is one of the best fabrics for this. Ranked with a smooth-fibre bonus plus low weight and breathability. The top pick is Silk.
Cupro measures 68/100 for breathability, 12% moisture regain, 25/100 warmth, at 120 gsm. Chafe resistance rewards a smooth, light surface: Cupro has a smooth hand at 120 gsm.