Marine Corps Combat Knife Training T-Shirt. Digitally Printed on soft superior 100% ring-spun Cotton, Triblend, 50/50 premium Soft Style Quality T-shirts. Not Slim Fit Size XXL is Heavy Cotton. Knife Combatives involves several variables. Your survival depends on your level of training Knife. Some basic fundamentals involves evaluating your opponent, proper handling of your knife, staying behind your knife, Parry while dodging, Controlling your opponent strike and striking with deadly accuracy to your opponents vital organs.The back of the design contains two crossed kabars with Combat Knife Course, quick and vicious and strike first strike fast motto. The front of the design hasthe U.S. Flag and arrow with a viper head tht says deadly accuracy and the quick and vicious motto beneath.This product description is titled as a Marine Corps fighting knife t-shirt, however the artwork is non-specific so it can be worn by anone.