Shock Doctor Men's CrushTech 5-Pad Impact Short polyester;spandex;nylon Imported CrushTech can withstand thousands of impact cycles with absolutely no loss of efficacy CrushTech can withstand thousands of impact cycles with absolutely no loss of efficacy Absorbs up to 30% more shock than a traditional foam pad of equal thickness Content of Product: Polyester, Spandex, Nylon