Modular Boot System
Encyclopedia
The Modular Boot System (MBS) is a multifunctional, multi-theater footwear system that will afford the soldier environmental protection and added capability in environmental conditions ranging from minus 20 to 110 degrees Fahrenheit. It is a developmental program designed to replace the Army Combat Boot
Army Combat Boot
The Army Combat Boot is the primary issue combat boot of the United States Army, intended for use in conjunction with the Army Combat Uniform.-Variants:-Temperate:...

 hot and temperate weather variants, ICWB w/RL and black Cold Weather Boot, which has already been phased out.

Source

This article incorporates work from https://peosoldier.army.mil/newpeo/Equipment/Temp.asp?id=cie_cwsb, which is in the public domain
Public domain
Works are in the public domain if the intellectual property rights have expired, if the intellectual property rights are forfeited, or if they are not covered by intellectual property rights at all...

as it is a work of the United States Military.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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