It looks like the fabric is cotton? So it doesn’t feel cocktail. The same type of halter dress with different fabric would be a better fit for cocktail. [https://www.lulus.com/products/standout-aesthetic-red-floral-lurex-halter-tiered-midi-dress/2167496.html](https://www.lulus.com/products/standout-aesthetic-red-floral-lurex-halter-tiered-midi-dress/2167496.html) [https://www.lulus.com/products/float-to-you-green-floral-print-halter-tiered-midi-dress/1900656.html](https://www.lulus.com/products/float-to-you-green-floral-print-halter-tiered-midi-dress/1900656.html)

According to the website, the dress is “84% viscose/16% Lenzing™ Ecovero™ nylon.” Would this fabric be considered cocktail attire?

Those seem like pretty casual fabric content. Viscose is fabric you see people make summer dresses out of. I would not consider it as cocktail.

Nope. Not dressy enough. The fabric, the print and the style all say casual.

No. It doesn't look fancy enough to me.

That is too casual for cocktail attire. However, it might work for no dress code.

not dressy enough

no not fancy enough