The Spira Stinger XLT shoe is a high performance trainer with the responsive qualities of a racing flat. Featuring WaveSpring® cushioning, this women's running shoe is designed with two lightweight, stainless steel springs in the forefoot and one in the heel for maximum energy efficiency and cushioning. The open air mesh upper provides maximum breathability, while the compression-molded EVA midsole and nylon shank lend support and stability. The high-abrasion rubber outsole incorporates forefoot flex grooves for flexibility and quick transitions in the Spira Stinger XLT running shoe.Air mesh upperCompression-molded EVA midsoleNylon shankRemovable, molded EVA insoleRubber outsoleStrobel-lasted constructionWaveSpring® TechnologyStyle Number: SRX222View All Spira ProductsCustomer Reviews for Women's Spira Stinger XLT