Get the stability, traction, and cushioned comfort you need for your workout with the Nike Free Metcon 3. Mesh upper materials for breathable comfort. Flywire cables work with laces to give a locked-in feel. Inner sleeve provides a snug fit. Pull tabs at heel and tongue. Soft foam core for cushioned comfort with every step. Nike Free platform is designed to flex forward and backward to help strengthen your foot. Platform is rigid across the sole and wraps up the sides for a supportive feel in all directions. Firm outer foam offers stability. Flat, wide heel ensures a stable platform for lifting. Rubber tread on the outsole for traction and durability.