For our product, "Men's 3-Pack Dark Navy Blue-Beige-Black Slim Fit Tight Cut Zippered Stand Collar Knit Sweater," we recommend choosing size L for slim fit items, based on your measurements of 190cm in height and 80kg in weight. Since this product is slim cut, size L will be suitable for you. Our product is made of 100% acrylic material, has an extra soft texture and features a zippered stand-up collar. The package includes 3 sweaters in dark sax blue, beige, and black. We wish you pleasant shopping.