The Daniel DefenseA(R) Kore Black Belt combines rugged durability with a sleek, adjustable design, making it perfect for both tactical use and everyday wear. Built with a micro-adjustable track system, it offers unmatched comfort and a secure fit for any mission or adventure. Features Nylon Outer / Super Fiber Inner 1.5" / 5mm thickness Fits 24" - 54" Adjustable track Power-Core(TM) Center for added stiffness and support Stainless Steel Buckle 3" x 1.75" / 4.5 oz.