KEEN UTILITY. 1007970. FLINT LOW ST. RUST BROWN.The Flint Low ST is the union of a durable protective work boot and a comfortable high-performance outdoor shoe. Advanced support and steel toe protection meld with flexibility and performance. The Flint Low ST is great for carpenters contractors traveling from job to job and weekends working the property. Keen Utility. Protecting toes one shoe at a time.