The Rocky Code Blue collection features a sleek athletic design and incorporates innovative materials to make a durable shoe that offers all-day comfort where you need it the most. This public service shoe is constructed with a breathable tactical grade mesh upper high abrasion TPU overlays and a matt finish for added structure stability and durability. This shoes cement construction makes it light and flexible and its dual density all terrain Vibram rubber outsole allows you perform in many environments without hesitation. Experience comfort in every step with our patented Comfort Tracks footbed. This combined with our Rocky Rebound EVA midsole and a fiberglass shank for added stability allows you to confidently go about your day in comfort. 6mm oval laces combined with a speed lace hook lacing system and a nubuck overlay tongue gives you a more secure fit. If you're looking for a shoe that offers an athletic appeal that is lighter more flexible and durable that offers all-day comfort the Code Blue collection is perfect for you. Light and flexible cement construction Fiberglass shank Vibram outsole 8 Inches in height Speed lace and hook hardware Comfort Track footbed Weight: 3.0 pounds per pair for a size 10 6mm oval laces for more secure lacing Nubuck overlay tongue for better fit Dual Density all Terrain Vibram Rubber Outsole Breathable Tactical Grade Mesh Upper with High-Abrasion TPU Overlay & Matt Finish for Added Structure, Stability, & Durability Rocky Mens Code Blue 8 Public Service Boot RKD0052 BLACK"