WW2 USMC HBT P41 Jacket Repro Shopee Philippines P41 USMC Jacket NEEDLEWORK HEADQUATERS: USN P41 JACKET Original WW2 USMC P41 Jacket Named To A Leuthold Size 38. #4846034520. The P41 USMC Jacket reinterprets the iconic U. S. Marine Corps utility jacket through Spiewak?? s refined military heritage lens. Crafted from authentic cotton back sateen, the fabric offers lasting durability with a soft yet structured hand, developing rich, vintage inspired fading and wear patterns over time.