There are three types of mouthguards for sports.
*Ready made / stock
*Formable, boil and bite
*Custom made by dental professionals
The American Dental Association recommends wearing mouth guards for the following sports: acrobats, basketball, boxing, field hockey, football, gymnastics, handball, ice hockey, lacrosse, martial arts, racquetball, roller hockey, rugby, shot putting, skateboarding, skiing, skydiving, soccer, squash, surfing, volleyball, water polo, weightlifting, wrestling and of course Baseball and Softball. (two of our personal favorites)
FishHawk Sporting Goods carries a large selection of ready made guards and boil and bite guards.