These Shin Guard Sleeves shield lowers legs from impact during a barrel race competition. They extend from your knees over your shins providing complete coverage and are made from the same material used to protect motocycle racers' lower legs. The breathable sleeves hold protective guards inside for a comfortable fit, making them lightwieght and streamlined to fit under jeans. Removable guard inserts lets you wash sleeves. Extra stretchy material is comfortable and forgiving. Sized based on t-shirt size. Choose the right size based on your favorite t-shirt you wear to the barn.