Features:Ultra thin cleat attachment system known as Performance Insert System (PINS).Creates a lower profile platform that reduces distance between your feet and the course.More stability and better balance.Improves footwork.Better ball striking.Specifications:Color: BlackMaterial: PPSize: 2.8 * 2.8 * 1cm / 1.1 * 1.1 * 0.4inWeight: 36g / 1.26ozPackage List:16 * Golf Shoes Black Spike