The Wilson GST TDJ football is junior size for ages 9-12. This football features Wilson's exclusive 863 WE leather with deeper pebbling and firmer texture. The patented ACL (Accurate Control Lacing) is made of pebbled composite leather, providing more grip than traditional laces. Grip Stripes provide more grip than traditional painted stripes. This AYF approved junior football has a multi-layered lining for better shape and durability. The three ply bladder provides better air retention and moisture control.