FEATURES: BOA-system for ultimate mid-foot fixation. Steel laces don't break and avoid readjusting your shoes all the time. Once you are in, you are in POWERWEAVE upper material for stability, comfort and breath-ability Specifically-configured heel height for Olympic snatch and clean and jerk disciplines strong adidas engineered tpu midsole for best lock-down stability keeping you connected to the ground at all times support linings at heel & inside cushioning offer best ankle and arch support