From Twisted X®, the Men's Work Steel Toe Wedge Sole Boots feature:  Full-grain oiled leather upper provides increased durability Steel safety toe meets or exceeds ANSI standards  Air-mesh lined for improved breathability and moisture wicking Removable, moisture-wicking, antibacterial and machine washable SD footbed Composite XD insole provides unrivaled support and stability Slip-resistant molded rubber outsole provides added durability and traction Imported.