Porto Unique Sleeveless Black Metallic Stretch Top

Porto unique black metallic crinkle stretch button up sleeveless top. States size 0, but seems more S / M. Mannequin is M, but seems measurements. Has LOTS of stretch. So unique. Dress this up or down. Would go from casual to formal depending how you style it. 45% viscose, 23% nylon, 25% metal, 7% elastane. Made in San Francisco. Armpit to armpit 17” Waist 15.5” Length 29.5”