These military style boots are built for high performance. Combination of full grain leather and 1000 denier nylon upper to keep comfortable and let your feet breath. Lightweight composite toe for added safety. Hidden inside zipper for easy on/off. Removable Foot Force cushion insert with Shock Eliminator System for ultimate comfort and cushioning. Sure-Grip Plus Trail outsole provides maximum traction on sand and hard surfaces. ASTM F2413-05 rated composite toe. 100% non-metallic.