Thorogood Men's Oblique Composite Safety Toe Boots Full Grain Leather Full grain leather upper Thoro&gt;dri(tm) Membrane waterproof system Heavy duty YKK side zipper with Velcro tab cover Flexible L-Protection(tm) puncture-resisting insole material Composite safety toe meets ASTM F2413-11 M I/75/C/75 and EH standards