The Petoskey offers firm, reliable support with a responsive feel for every sleeper. Featuring our QuadCore® pocketed coil system with TrueEdge360™ support, each coil works independently to prevent sagging or roll-together, delivering individualized support across the mattress. High-density CertiPUR-US® foams provide additional comfort while preserving the firmness that makes Petoskey a dependable choice for a solid, supportive night’s sleep.