Funny design. Brazilian Jiu Jitsu is like a game of chess, only instead of moving pieces around a board you are moving your body around a mat. The best BJJ fighters think not just one move ahead but ten moves ahead. A great gift for anyone who loves BJJ and is obsessed by winning on a mat. Brazilian Jiu Jitsu is as much about physical strength as it is about mental strength. You have to be super smart just like chess players. 8.5 oz, Classic fit, Twill-taped neck