The 5.11 Advance Boot is a great off duty or casual duty boot. Lightweight, responsive, and breathable, the Advance is a mid- height boot that offers the support, comfort and durability you’re looking for in a field boot. Lined with Coolmax® and Drilex®, the Advance will keep you cool and bacteria-free. A side zipper makes getting the boot on and off easier and faster than laces. Suede and nylon upper, non-metallic construction and our oil and slip resistant outsole.