Patented Acl Laces, Exclusive Wilson Patterns And A Durable Composite Leather Cover Combine To Offer A More Affordable Alternative To Our Famous Gst Series Of Game Footballs. Combining The Same Wilson Td Family Of Patterns With Composite Leather Technology And Patented Acl Laces, The Gst Composite Family Is A Great Option For Feel And Control For Practice, Developing Players, Or Inclement Weather Games.