Ralph Lauren halterneck dress navy blue | Sz S or 2-4

Excellent condition Ralph Lauren halter dress Navy blue zip closure at side Fabric tag removed Crepe material probably polyester Length 49” Waist 28” Bust 27.5” Lined Classic Ralph Lauren quality I wish I knew the size but the tag is missing. I purchased this on The Real Real and love it but it’s slightly too snug for me to zip. I think it’s a size 2.