Midnight Navy Blue - ECWCS Generation III Underwear Zip-Collar Shirt Size:2X-Large The 7 inner strands are

The 7 inner strands are made of 2 ply nylon

Inset collar provides you will a clean tailored appearance

and 1 nylon

cleaning cloth

or while hiking on the trails

Midnight Navy Blue - ECWCS Generation III Underwear Zip-Collar Shirt Size:2X-Large The 7 inner strands areOur ECWCS Gen III Mid Weight Underwear Top (Level II) is the perfect base layer for extreme cold weather. Part of the Extended Cold Weather Clothing System (ECWCS), the cold weather top is designed to keep active duty personnel warm and comfortable all day. Made from a breathable, moisture wicking grid fleece material that's ideal for layering, so it won't get too hot or impede your movement. The zip collar allows the undershirt to be worn as a turtle