The 693 is the newest addition to Belleville's Air Force Flight Certified boots. Suitable for both flight & everyday use, the new Belleville 693 USAF Flight Approved Assault Boot is first in its class. Built with a more modern & aggressive look, the 693 also offers an athletic fit that allows for better tactile feel of the rudder pedals during flight.BOOT FEATURES100% cattlehide leather & nylon fabric upperSoft, shock-absorbent midsole and exclusive VIBRAM IBEX low profile outsole designed for improved mobility and maximize traction in rugged terrainDurably waterproof and highly breathable GORE-TEX fabricSharp angled lugs and defined heel maximize tractionDeeply serrated toe and heel bumper to aid in vertical climbing and crawlingAggressive lace-to-toe style allows for a customized fitPremium soft removable insole8" heightMade in USA & Berry Compliant