adidas Unisex Performance Adizero HJ Running Shoe with Spikes 100% Textile and Synthetic Imported Rubber sole Heel measures approximately 1" Weight: 9.1 ounces (men's size 9); Designed for maximum flexion and support during run-up Synthetic upper for light weight and breathability Microsuede on inside of spike for maximum comfort and increased durability in high-tension areas 3-Stripes strap band for midfoot support Molded EVA midsole designed for the cushioning needs of high jumpers; Pebax plate designed to withstand torque during run-up; Sharkskin outsole for uncompromising grip and reduced weight, allowing for a more aggressive approach into the pit