SIMPLY DROPS INTO ANY LACROSSE OR HOCKEY HELMET to provide an extra supplemental layer of impact shock protection, no adhesive needed, one size, can be trimmed if necessary MADE WITH A MILITARY GRADE COATED ARAMID FIBER; Unequal's patented Nuro technology handles impact shock better than typical plastics and foams by absorbing and dispersing energy resulting from collisions, players report hits feel “better” - not as jarring PAD PLEASANTLY SOFTENS WITH THE WARMTH OF YOUR BODY HEAT, ultra-thin at only 6.5mm thick, ultra-light at only 3.5 oz in weight BACKED BY TESTING STANDARDS FROM INDEPENDENT ACCREDITED LAB, measuring results include up to 35% reduction in severity index The Unequal Mojo simply drops into any lacrosse helmet for concealed, supplemental head padding, with no helmet modification. U Made with a military grade composite fortified with Aircor & TriDur aramid fabric. The 6.5mm thin and soft protection is approximately 3.5 oz. One size fits most helmets, but can be trimmed with scissors if necessary.