You can't go wrong with these German Pullovers. Long-sleeved cotton construction helps wick away moisture in high activity, and keep you warm when the temperature drops. 1/4 zipper opens up for more ventilation, and zips tight against the chills. Adjustable turtleneck collar can be worn up or down. The comfort you need for whatever your mission holds. You get 4 awesome Shirts for 1 low surplus price!