Ektelon NFS Classic II Men's shoe Upper: Mesh upper with synthetic overlays. Extra toe cap enhances the upper's durability and resists abrasion. Padded tongue and heel collar. Textile lining. Midsole: Lightweight molded EVA midsole for durable cushioning. Removable, anatomical EVA sockliner for added comfort. Outsole: Gum rubber outsole for maximum traction on indoor court surfaces