※ No box Prototype of Mizuno's thick-soled spikes. Yellow/black spike shoes. - Model Name: MIZUNO X BLAST NEO - Color: Yellow/Black - Features: Thick-soled spikes equipped with high-rebound material Mizuno Enerzy - Application: Track and field spikes Thank you for viewing. These are the short-distance/hurdle spikes, Mizuno X BLAST NEO, size 26cm. I used them for a few warm-up runs and races. I am selling them because I no longer use them. They are scuffed from dragging my feet.