K4 is a  heavy-duty safety footwear crafted from leather and textile upper for maximum heat, and abrasion resistance. Made to perform under tough job-sites, and unforgiving surfaces while keeping you comfortable and agile.  The aluminum safety toe and slip resistant outsole will increase your stability and traction in an outdoor and indoor work environment. With a premium waterproof membrane construction will keep feet dry no matter the conditions.  The premium leather and textile upper are developed to withstand maximum heat and durability. These stylish shoes can handle any tough job-site. The added comfort of a lightweight rubber outsole paired with a removable dual density memory foam insole and EVA midsole will provide the right mix of comfort and balance when you are on your feet for an extended time. Wear these shoes comfortably knowing they are built with non-conductive materials to restrict any electrical charge from the surface providing protection against electrical hazards while maintaining all day comfort.