X 15+ SL Firm/Artificial Ground – A new SL version of the X 15 cleats was released today on the US site. This super light edition of the X cleats features the X-Skin upper with mesh panels to save on weight as well as the Non-Stop Grip texture for excellent control. It has has the familiar X-Cage for support and X-Claw studs for traction. This SL version weighs in at 7.2 oz making it one of the lightest cleats in the lineup right now. The X 15+ SL is available now in sizes 6.5-13.5 for $250