For Locals Only, Detroit Isiah Thomas and Bill Laimbeer built the Bad Boys mentality. Now, Cade Cunningham and company are looking to restore that mentality to a city built on toughness. The round21 Detroit Edition basketball showcases the streets that make up the 313. Artist partner: Peppy Colours. Looks like art. Feels like sport. High quality performance composite leather OTHER DETAILS: Durable composite leather Quality materials for great shape retention Long lasting air retention & rebound Easy grip For indoor + outdoor play Official size (29.5) + weight