Michael Kors. Sleeveless Windowpane Crewneck Top. This Michael Kors sleeveless windowpane crewneck top is the epitome of tailored chic. It looks fabulous paired with a fitted skirt with an unexpected color pop to play off the strict white and black of the top. Fit: True to Size. 72% Cotton, 28% Silk. Lining- 61% Acetate, 39% Bemberg. Dry Clean Only. Made in Italy. Available in White/Black.