Asics - Cyber Javelin (Trine/Black/Silver) - Men's: Engineered to provide the serious thrower the ultimate in support, function, and durability for their best performance. Includes 8mm compression-tiered spikes and wrench. TacLiner collar lining offers superior grip in the collar of the shoe to stabilize the foot. RhynoSkin toe cap for increased durability. Tri-Hook and loop closure system provides a customized, supportive fit. SpEVA material midsole bounce back and protection during run-up and release phase. Shoe weighs 13.5 oz (with pins).