JK003 combines a split cowhide shell with a soft cotton lining, Kevlar stitching, a stand collar, copper-plated button closure and a utility pocket for small tools. Protection and Construction Outer material: Split cowhide leather Lining: Soft cotton Stitching: Kevlar thread Closure: Copper-plated buttons Stand collar for added neck coverage and a utility pocket for small tools Size Guide The supplied measurements cover sleeve length and jacket length only. Because chest measurements are not provided, use this table as a garment-length reference rather than a complete fit guide. Allow room for clothing layers worn underneath. Size Sleeve Length Jacket Length S 33" (83.8 cm) 28" (71.1 cm) M 33" (83.8 cm) 28" (71.1 cm) L 35" (88.9 cm) 30" (76.2 cm) XL 35" (88.9 cm) 31.9" (81 cm) XXL 36" (91.4 cm) 31.9" (81 cm) Manual measurements may vary by approximately 0.4" (1 cm). Care and Inspection Wipe clean with a damp cloth or mild soap as needed. Do not machine wash, bleach or tumble dry. Store dry, condition the leather periodically and replace the jacket if holes, open seams or heat damage reduce coverage.