Under Armour UA Tech WWP SM True Gray Heather This is an Official Wounded Warrior Project Licensed product Between August 2012 & December 2014, Under Armour will make a donation of over $1 Million to Wounded Warrior Project, benefiting injured service members & their families UA Tech fabric has an ultra-soft, more natural feel for unrivaled comfort Moisture Transport System wicks sweat away from the body Anti-odor technology prevents the growth of odor causing microbes