New Kaepa Quick Knee Pads Black, Adult Perfect for Volleyball and other Sports OS:Black The X Philosophy: Spider X 350545.9090 Wmn Blk Ryl Med The X Philosophy: Spider X revolutionizes the way we achieve optimal stability and alignment by reengineering the mass properties of the head and introducing a new optically engineered True Path Alignment System Increased Stability: Spider X features a redesigned head with a steel frame that is 30% heavier to minimize twisting The X Design: New True Path Alignment System helps visualize the intended target line for improved putting accuracy NIKE brand Gridiron Pure Gridiron NIKE Men's Flex Pant Hybrid 63% Polyester 37% Polyurethane Integrated holes for better ventilation and moisture management EVA and polyurethane light and durable padding for maximum protection