Skechers Flex Advantage model has a mesh textile upper without seams, which provides optimal comfort. The material has been treated to be water and dirt resistant. Reinforced lacing for increased durability. This model has a non-slip outsole. Skechers Memory Foam insole providescushioning. Oil-resistant outsole. Relaxed fit- spacious fit. EN ISO 20347:2012 OB FO SRC