A floor mat and a method of forming thereof, wherein the floor mat includes a backing layer embossed to provide a plurality of nibs extending from a surface of the backing layer while the backing layer remains molten. Each of the nibs is tiered, including a frusto-conical base and a tip extending from the frusto-conical base, the nibs having a maximum diameter in the range of 0.5 to 3.0 mm and an overall height in the range of 1.5 mm to 5 mm. In addition, each nib is located within a column and a row and is offset from at least one other nib present in the column and at least one other nib present in the row.