TWENTY Montreal Mackay Rib Multi Strap Halter Cami in Black. Size S, M, L. 92% viscose 8% spandex. Made in Canada. Machine wash. Ribbed jersey fabric. Crisscross back straps. TMON-WS9. RQ0S-089. 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.