Wrestling teaches a faster pace and stronger emphasis on takedowns and pinning techniques in its athletes while Brazilian jiu jitsu puts more emphasis on leverage, control, and submissions with less emphasis on takedowns.
Adidas Response Headgear is an excellent option for both wrestling and BJJ. In fact, due to it coming with a chin cup, I feel it even rivals other popular headgear like those from Cliff Keen that do not come with a chin cup. However, like other wrestling style head gear, the thicker foam padding may get in the way during Brazilian jiu jitsu training.
Cliff Keen is the standard for wrestling headgear for good reason. However, the thick foam padding may get in the way of Brazilian jiu jitsu training. Specifically, by being a bit uncomfortable for your training partners or getting in the way when defending strangles.
Traditional wresting such as Freestyle, Folksytle or Greco Roman wrestling does not include any submissions like those found in other grappling martial arts like Judo or Brazilian Jiu Jitsu. However, catch wrestling does involve some submissions.
The best are martial arts for kids are ones that will help them develop self-discipline and improve their focus, build confidence, and make them more aware of their body. These are Brazilian jiu jitsu, wrestling, and mma.
The best martial arts for self-defense is a combination of Brazilian Jiu jitsu, Muay Thai, and wrestling. An effective martial art should include live sparring and high level competition.