Snell My Tour Golf Balls (One Dozen) The Core has been developed with a very low compression, soft feel, with high velocity to help with ball speed regardless of swing speed and creates low driver spin rates for longer distances. The Mantle layer works on longer shots to keep control of the spin, and works with the thin soft cast urethane cover on shorter irons and chip shots to create higher spin rates for better control into the green. The Cover layer is made of a thermoset cast urethane,tour proven cover. This technology allows very thin covers for better short game spin control, and is very soft and durable. Conforms to USGA standards and are legal for tournament play. Price listed is per two-dozen (24 Golf Balls)