Description of Five Ten Spire Climbing Shoe Every year the Spire is the best selling rock shoe in the U.S. This Five Ten climbing shoe is the perfect all-around climbing shoe, engineered for the climber seeking ultimate value, unmatched comfort, versatile performance and premier materials. In 2005, Five Ten changed the original purple color to an inspirational blue. Five Ten also changed the last to their new Hueco last, with a better fitting heel. The Spire climbing shoe, with its supportive leather upper and mid-stiff midsole is the shoe of choice for climbers who want comfort, control, and all-day climbing. High value all-around climbing shoe designed by Five Ten for long days and high vertical mileage. Features: Unlined leather upper ST C4 soles Side exit heel seam Dual pull-on loops Asym toe Slingshot heel Padded tongue