Ryka Women's Endure XT 2 entry-level trainer is designed to meet the basic performance needs for a variety of fitness activities. Uppers of a leather, synthetic materials, and air mesh. High density foam in collar and tongue for added comfort and support. Molded and highly engineered Ortholite® footbed offers maximum ventilation, moisture-wicking properties, and is tear proof for enhanced durability. Antimicrobial coated footbed combats odor for a constantly fresh in-shoe feeling. Nitracel® Cushioning Cartridge at heel absorbs impact and provides energy return for a smooth, resilient ride. Dual-piece solid rubber outsole provides superior traction and flexibility