FastLayer Core - Starts soft in the center and gradually becomes firm around its edge, giving high-speed players exceptional feel and plenty of ball speed for maximum distance. Spin Skin with SeRM - A new, thicker thermoplastic urethane cover features Spin Skin with SeRM, a durable coating with flexible molecular bonds. It digs deep into wedge and iron grooves, maximizing spin for more control and more stopping power. 338 Speed Dimple Pattern - Less drag and more lift boosts overall distance and flies straight, even in the toughest wind conditions. Item Package Weight: 2.0 pounds