Tough, double-layer 2 inch Heavy duty precision stitching Professional appearance PRO-3 Triple Retention Buckle Hook & Loop lining mates with Ultra and Loop-Back Inner Duty Belts Tough, double-layer 2-Inch nylon that's edge-padded for comfort Interior polymer stiffener to add support while reducing bulk; sturdy nylon webbing Hook and Loop lining mates with Ultra and Loop-Back Inner Duty Belts Rigid enough to carry gear, flexible enough for daylong comfort