Notrax-diamond sof-tred diamond sof-tred is a durable anti-fatigue mat with a non-directional diamond deck plate top surface that allows for sure footing. The notrax exclusive dyna-shield sponge is manufactured with a tough protective top layer that provides long lasting wear and outperforms the competition in tear resistance and tensile strength. Designed for use in medium duty dry work areas such as labs, packaging stations, and shipping departments.