Wacoal lingerie uses US underband and cup sizing. Please use this size chart to convert international sizing.
Seamless underwire bra
Full coverage two-ply cups of soft inner fabric covered with pretty dot jacquard fabric with accent sheen  
Microthin spacer fabric band designed to minimize back and side bulge
Extra back and side coverage for added smoothing
Hidden sling in cups for added support and shaping
Fully adjustable straps for a customized fit
Close-set front straps for support
Hook-and-eye back closure​