USMC T-shirts, USMC Hoodies, & USMC Hats!!! Find your original Marine Corps clothing here. Frontline Military Apparel offers some of the most unique and quality United States Marine Corps USMC clothing. Our Marine Corps clothing line offers a wide selection of interesting USMC clothing products for active and retired USMC personnel along with USMC items for family, friends and young ones looking to show their support! We pride ourselves on having one of the largest and most unique selections of genuine United States Marine Corps clothing! All printing and embroidery is done by us here in the U.S. and we can meet any demand.