asos design mesh twist bust detail halter maxi dress ASOS Mesh Halter Maxi With Tie Back The ASOS DESIGN mesh twist bust detail halter maxi dress in charcoal gray offers a sophisticated and stylish option for evening wear ASOS Design - Maxi Dress
Description
Silk or Satin : For a more formal touch, consider silk or satin dresses, which can add a luxurious element while still feeling light against the skin
95.0% Polyacrylic, 5.0% Elastane Please note: due to fabric used, colour may transfer
Height: 7/8"

Check the clubs website or social media pages for guidelines
So what should a woman over 40 wear to a black tie event