These 8" heavy duty boots are crafted for the US Military. Exterior - Water resistant leather and upper nylon mesh panels for durability Gusset - Full leather gusset to keep water and dirt out of the boot. Interior - GORETEX lining surrounds feet to help keep dry. Height - Interior 8" Safety toe - Composite Sole - Vibram rubber sole with foam core for additional comfort Insole - Removeable insoles are formed rubber with foam lining Eyelets - Closed to prevent snagging