Meet the K1 Slim, winner of the 2020 Occupational Health & Safety New Product of the Year. The K1 Slim was created specifically for flat-soled footwear, like runners, safety, and steel toe shoes. Built on an understanding that many work environments need safety at all times, the K1 Slim has two types of traction: Tungsten carbide for outside and ridged rubber for in. A quick 90-degree rotation, gives workers complete control of their environment, in all seasons and all conditions.