adizero Javelin SpikesLightweight javelin shoe with abrasion-resistant toe cap, comfort features and midfoot strap.Throw with more power, precision and confidence with these track and field spikes. The carbon rubber abrasion-resistant toe cap protects during toe-off, and the hook-and-loop strap adds support during throwing. Featuring a grippy sharkskin outsole and microsuede lining.Weight: 11.5 ounces (size 9); Recommended events: javelinInternally reinforced synthetic cage upper for secure hold during throwing motion; Carbon rubber toe cap for protection and durability during toe-offSoft collar around the ankle to reduce pressure on the ankle and Achilles; Hook-and-loop strap for additional support during throwing motionMicrosuede lining provides maximum comfort while increasing durability in high-tension areasPRO-MODERATOR™ medial support designed to stabilize the foot during the landing and throw phase of javelinSharkskin outsole for uncompromising grip and reduced weight, allowing for a more aggressive approach into the throwImported