Adidas adiZero Javelin 2 - The adidas adiZero Javelin 2 throwing shoe features a reinforced, mid-cut design provides throwers with a secure and flexible platform to throw the javelin right through the tip. All over synthetic upper provides maximum support. Pre-molded EVA midsole adds optimized comfort and cushion. Scary sharp sharkskin gives ultimate grip on the track in all conditions. Includes 3/8" compression spikes and a wrench. Replaceable spikes. Wt. 11.3 oz.