Coyote Brown Generation III Level 3 ECWCS Fleece JacketThe Gen III Level 3 ECWCS Jacket, part of the Extreme Cold Weather Clothing System (ECWCS), aids in protection against harsh environments and can be worn as a standalone jacket or as a liner for a softshell jacket, parka, or other extreme weather jackets. Level 3 Of The Extreme Cold Weather Clothing System (ECWCS) Constructed Of Super Soft & Warm Polar Fleece Fabric Military Base Layer Jacket Can Be Worn As Singular Coat (Perfect For Fall And Spring)