No more wilting, curling or flapping collars! This is what company Hulas, LLC has decided to work on. Their product, the Hulas Sports Collar Stays ($15) is an adhesive-backed felt strip designed specifically to fit invisibly beneath your sports shirt collar and keep it flat and sharp all day. The Hulas Sports Collar Stays are perfect for golf shirt and polo shirts. and they can be re-used several times. The Sports Collar Stays come in a keepsake container that contains 10 pairs of Hulas. If you want to keep your golf and polo shirts look sharp all the time, here is the only solution we’ve seen so far. Hula’s strips are a green product, manufactured in the USA from 100% synthetic, recycled materials.