Office siren black fitted button-up blouse 🖤 tailored fit, collared neckline, long sleeves, and button-front closure. Perfect for office siren, corporate chic, minimalist, or Y2K styling. Brand H&M Size 0/ XS Tags: #officesiren , #corporatechic , #minimalist , #businesscasual , fitted blouse, black shirt, capsule wardrobe, Y2K, classic, #workwear .