The Toughest Boots Why choose us?. King Welt makes it´s biggest priority to take care of your feet, because your feet are where you overall health and comfort begins. Work boots that work for you. ✔ 100% Genuine Leather ✔ Oil & water resistant ✔ Color: Laton ✔ Height: 6″ ✔ Construction: Welt ✔ Lining: Textile (Insulated) ✔ All around work ✔ Anti-fatigue insole ✔ Lightweight & Heavy-duty ✔ Technology for stability ✔ Flexibility and comfort.