The Macho Martial Arts Chest Guard designed by 9-time Martial Arts World Champion Christine Bannon-Rodrigues, Macho's Chest Guard is so light and maneuverable that you'll forget your wearing it. This vest is only 1 1/2 inch thick, but due to it's custom "trauma shield", it disperses impact better than larger chest guards do and provides great protection for the highest level of Martial Arts Training and sparring. These are a great addition to your Martial Arts supplies .