Rothco's Gen III Level 3 ECWCS Jacket, part of the Extreme Cold Weather Clothing System (ECWCS), aids in protection against harsh environments. 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) Or As A Liner With A ECWCS Parka For Cold Weather Protection. Durable Neck, Shoulder And Elbow Panels Made Of 100% Nylon Material. Gridded Fleece Side / Armpit Panels Provide Enhanced Breathability. Full Front Zipper Can Extend Through The Collar To Form A Turtleneck-Like Design In Order To Keep Your Neck Warm. Dual Outer Side Pockets And 2 Interior Mesh Pockets. Loop Fields On Both Sides Of The Chest For Rank And Name Badges