Under Armour Mens Boots Tactical BOA Speed Closure System US Size 12. This 12 runs small so if your size 11 I think would be a better fit. The BOA lacing system is a smart, patented system to pull on or out your safety shoes or boots. Classic laces are replaced by stainless steel wires, connected to a turning knob. This knob is used to tighten, loosen and snapping your laces into place.The item "Under Armour Mens Black Boots Tactical BOA System Size 12 Run Small Fits Size 11" is in sale since Wednesday, September 18, 2019. This item is in the category "Sporting Goods\Hunting\Tactical & Duty Gear\Tactical Footwear". The seller is "give_it_purpose" and is located in Taylor, Michigan. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.