The ASICS® Cyber Javelin™ Beijing is engineered to provide the serious thrower a javelin shoe that offers support, function and durability. Synthetic leather and mesh upper provides support and breathability. RhynoSkin® toe-cap adds increased durability. Tri-hook-and-loop closure system offers customized, supportive fit. SpEVA® midsole gives bounce back and protection during run-up and release phase. SharkDuo® outsole with removable spikes delivers increased traction on various track surfaces. Wt. 15.2 oz.