The ASICS® Cyber Throw® London is an elite performance throwing shoe designed especially for shot put, discus and hammer throw. Synthetic upper designed for abrasion and tear resistance. Hook-and-loop closure system provides a secure fit. SpEVA® midsole offers improved bounce-back characteristics and helps decrease midsole breakdown. Solid rubber outsole with centrifugal flex groove enhances your spin. Dual-density or improved rotation and feel. Removable insole. Wt. 13.4 oz.