NIKE Women's Dual Fusion TR Hit Cross Trainer synthetic-and-mesh Break a sweat and get your tone on in the Nike Dual Fusion TR Hit cross-training shoe! One-piece mesh upper with lightweight synthetic overlays. Flywire cables throughout the mid-foot for enhanced lockdown. Lace-up closure. Thin tongue and collar. Bootie construction for a better fit and feel. Smooth fabric lining. Fixed foam insole. Outrigger supplies lateral support for multidirectional movements. Soft, plush foam midsole. Rubber outsole.