TWENTY Montreal Mackay Rib Cropped Top in Black. - size M (also in L) TWENTY Montreal Mackay Rib Cropped Top in Black. - size M (also in L) 97% viscose 3% spandex. Made in Canada. Machine wash. Light ribbed jersey fabric. Item not sold as a set. TMON-WS10. RQ1C-037. Twenty has transformed a fashion essential by giving the classic knit tee a luxurious and modern take. Crafted from amazing fabric, twenty creates super soft tees, knit dresses, bodycon skirts, and cozy sweatpants that will quickly become everyday staples in your wardrobe.