WE Ranch BootsMade and manufactured in the USA4 PackAdjustable Bottom ClosureHorse SizeTough Vertical StaysAvailable in 5 Colors: Red, White, Blue, Black and OrangeFLYFREE The Fly Free Insect Protection Boots are made and manufactued in the USA by WE Ranch. This is a 4 Pack set of fly boots. These have an adjustable bell boot type bottom closure that allows for a "Stay on Advantage" and a one-size fits all for horses. The vertical stays are sewn in a strapping material to eliminate premature break-through. This improves the wear life and product longevity. Available in 5 colors: Red, White, Blue, Black and Orange.