It’s a nice vest for all sports training, sports scrimmage or team game situation. Great for school gym or team practice. They are made of very durable fabric. Easy to put on and take off. They are very light, easy to carry. Bright vest, make you stand out in the various field. Scrimmage vests are a necessity when it comes to team sports, vests are made of 100% polyester. Ideal for soccer, scrimmage games, basketball, football, lacrosse, etc.