8ft Powerslide Slide Board Lateral Exercise Trainer (Large Booties) 8-Foot Powerslide Slide Board Lateral Exercise Trainer (Large Booties) 8-foot lateral exercise board designed for athletes in training Increases your lateral power, strength, agility, and endurance Specially formulated sliding surface with heavy-duty end stops Large-sized nylon booties slip over shoes to provide easy gliding Board rolls up tightly and fits in carrying case for easy transport