Patented ACL laces, exclusive Wilson patterns and a durable composite leather cover combine to offer a more affordable alternative to the td series of leather game footballs. Wilson is the industry innovator in composite footballs. . . Premium composite leather construction with high definition pebble. Patented ACL (accurate control lacing), made of pebbled composite leather, provides 175% more grip than traditional laces. Multi-layered lining for better shape and durability. Official size ball is NFHS approved.