This hot weather mountain hybrid boot was specifically designed for all-terrain use. From rocky mountainous terrain to hard pounding concrete roads, the Khyber II will outperform when tested in any environment. With great design features to add to comfort and durability, such as its lace-to-toe lacing system for a customized fit, the TR350 is a top choice for everyday use. Low profile sole reduces weight & improves mobility Sharp angled lugs and defined heel maximize traction Deeply serrated toe bumper aids in vertical climbing & crawling Rappelling bars on outsole to extend wear Aggressive lace-to-toe style allows for a customized fit Breathable moisture-wiking lining AR 670-1 Compliant Specifications Height: 8" (Standard Military Height) Upper: 100% cattlehide leather & nylon fabric Midsole: Highly cushioned, shock absorbent midsole Outsole: 100% rubber Exclusive VIBRAM Ibex outsole for rugged terrain Insole: TR-1 load bearing orthotic insole