For a firm grip for your javelin throw, choose the Javelin Pro Track Shoe from ASICS. It has an asymmetrical design for optimal throwing performance. This shoe has a reinforced toe cap for support and durability. This field spike features a double hook and loop strap over a lace-up closure for a stable and secure fit on the left foot, with standard lacing accompanied by a single hook and loop strap on the right foot. A specially designed sole reduces weight while creating a strong platform for the most elite of throwers. The sole has 9mm pyramid spikes and wrench for excellent traction.