A compromise — #16 of 31 Elastane ranks #16 of 31 fabrics for chafe resistance. It is a middling fabric for this. Ranked with a smooth-fibre bonus plus low weight and breathability. The top pick is Silk.
Elastane measures 40/100 for breathability, 1% moisture regain, 40/100 warmth, at 100 gsm. Chafe resistance rewards a smooth, light surface: Elastane has more surface texture at 100 gsm.