Wistful blouse from Aritzia/Wilfred in "Spring Medley Off-White" (i.e. white with light floral pattern). Deep V-neck, long sleeves, cropped. Full details on size, fit, etc. can be found here (though this color isn't available anymore): https://www.aritzia.com/us/en/product/wistful-blouse/80851.html. NWOT and never worn.