Belleville Ultralight Marine Corps Boot - 510 MEF

Belleville Ultralight Marine Corps Boot - 510 MEF. Belleville introduces the newest marine expeditionary footwear - the 510 mef which is a breakthrough in combat boot technology. Fusing a moccasin like strobel constructed upper to an ultralight, direct injected pu midsole provides one of the lightest most flexible and most durable combat boots on the market weighing in at just 20.6 ounces per boot, the 510 mef is a lightweight boot that also offers toughness and durability no matter the terrain.