Bruno MarcMen's Lace Up Formal Dress Shoes Brogues Derby, Comfortable Leather Shoes for Men

Bruno marc: i mean the black brogue / derbys with the double stitching and across the toe cap. no size 8's in stock!?!?

If these are synthetic how do you polish them like real leather shoes

What are these sizes in centimetres?

What size chart should i use us or uk?