Arena From David Tate A Supple Calfskin Leather Upper And Laid-back Mule Design Work In Perfect Harmony To Create David Tate’s Instant-classic Slip-on. Twin Elastic Gores Hug Your Foot, While The Very Minimal Heel Lip Prevents Discomfort Should You Step On Its Edge. Foam Insole. Flexible Rubber Sole. 1-1/4" Heel.