Lacrosse is a sport played when people run around hitting each other with sticks and throwing “rocks”, but not just any rocks these are specifically defined by the NCAA!
SECTION 16. The ball shall be white, yellow, orange or lime green smooth or slightly textured solid rubber — between 7-3/4 and 8 inches in circumference, between 5 and 5-1/4 ounces in weight and, when dropped from a height of 72 inches upon a concrete floor, shall bounce 43 to 51 inches at a temperature of 65 degrees to 70 degrees Fahrenheit.
Balls shall be supplied by the home team. The ball in use at the end of the game shall become the property of the winning team. The home team should provide a ball retriever at each end line.
NCAA – www.ncaa.com
Photo – laxcamps.com/blog/concussion-awareness/