adidas Adizero TJ/PV Running Shoe with Spikes 100% Textile/Synthetic Synthetic sole Heel measures approximately 1" Designed for jumpers and vaulters looking for maximum flexion and support through run-up to takeoff Synthetic upper with synthetic overlay across toe box to protect and hold foot during critical takeoff stage PRO-MODERATOR medial support device prevents overpronation Designed to stabilize the foot during landing and transition; Sharkskin outsole for uncompromising grip and reduced weight, allowing for a more aggressive approach into the pit Molded EVA for cushioning; Microsuede on inside of spike for maximum comfort and increased durability in high-tension areas; Pebax plate designed for the needs of a triple jump/pole vault