Designed for use wherever effective water drainage is essential. Heronrib's channeled support bars allow water to pass in all four directions. The result: no standing water! This unique design guarantees maximum drainage and therefore superior safety. Ideal for barefoot traffic, Heronrib provides full support and excellent slip resistance without sacrificing resilience and comfort underfoot. With flexible construction that facilitates maintenance, superior durability and unmatched performance, it's no surprise that Heronrib is our best selling water draining runner. Offered in three widths and six attractive colors.