Check the listing for details. New Polypropylene Undershirt-Small. Condition: New. Listed at 20.19 USD. Grey Polypropylene Undershirt Small - New Color: Grey 100% Polypropylene Genuine US Military Issue Cold Weather Gear. Designed for maximum warmth and comfort in cold to very cold temperatures. These polypro shirts feature a soft fleece inside and a smooth exterior which allows easy movement under other heavy clothing. This design also reduces pilling even after repeated laundering. Polypropylene effectively wicks away moisture while providing excellent heat retention. Chest zipper allows for easy dress and extra ventilation. NSN: 8415-01-227-9548 Made in the USA Pictures are representation of available products. FREE SHIPPING ON ALL ORDERS TO THE LOWER 48 STATES VIA UPS GROUND. International Customers: Send us a message with your Country and shipping postal code for calculated shipping costs AMMO CAN MAN®"Making American Products Great Again®"