Under Armour Men's WWP Stealth Beanie 100% Acrylic Imported This beanie is an Official Wounded Warrior Project Licensed product Between August 2012 & December 2015, Under Armour will make a donation of over $2 million to WWP, benefiting injured service members & their families Dual-layer fabric gives you a soft, ultra-warm interior & a slick, fast-drying exterior 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast