Belleville - 800 ST - Waterproof Black Safety Toe Flight and Flight Deck Boot
Certified by the U.S. Navy for both flight and flight deck use, the all leather, Gore-tex® lined 800 ST is fully waterproof and contains a 100% rubber Vibram® Chevron outsole to minimize FOD and improve traction on wet shipboard surfaces.
How the Vanguard sole system works:
The Belleville 770 has a Vibram Chevron outsole tread.
Belleville boots are built off measurements recorded on the Brannock Device. The Brannock Device is the silver foot measuring tool found in nearly every shoe store, so an accurate measurement on that device should give you a good idea of what size Belleville boots to purchase.