Shirt-Lock-Shirt-stays-Belt-Nylon-Elastic-Wesol-Best-Alternative 95% Nylon hook and loop and 5% woven elastic Shirt stay belt by Shirt Lock will keep your shirt tucked in all day! Velcro-type material grips the nap on your shirt holding it in place! If you've ever worn shirt stays or the rubber belt, you'll love Shirt Lock! Worn as an undergarment belt, completely hidden from view! For Police, Military, Everyday Casual, or Sports!