Belleville TR550 Khyber II Lightweight Mountain Hybrid Boot Leather Imported Vibram sole sole Shaft measures approximately Mid-Calf" from arch A revolutionary hybrid combat boot that conquers mountainous areas as well as rough terrain Aggressive Lace-to-Toe style allowing a customized fit Reliability, stability, and traction  in a lightweight, comfortable boot VIBRAM "IBEX" Outsole for rugged terrain and Breathable Combat Lunar lining with TR-1 Load Bearing Orthotic Insole Deeply serrated Hell Kicker and Heel & Toe Overlays Designed to aid in braking & arresting slides while extending the wear & life of the boot