For those staying overnight, The Columbia Club has a dress code policy throughout the club. All persons, including children over the age of 12 are required to wear business casual attire in all common areas of the club. Men: collared shirt (dress shirt, golf shirt, button down, or Polo) tucked in, turtlenecks or sweaters, dress slacks, dress shorts, or neat and clean denim Women: collared shirts, blouses, turtlenecks, sweaters, skirts, tailored pants, dress shorts, or neat and clean denim