Claiborne Black Dress Pants Size 31x30. These classic dress pants are perfect for any formal occasion. They are made from a durable and wrinkle-resistant fabric, and feature a flat front and a relaxed fit. The pants are in excellent condition and have only been worn a few times. Claiborne Black Size 31x30 Flat front Relaxed fit Item is from a smoke and pet free home. Gently worn.