Nike Women's Free Metcon 6 Training ShoesShoe Width: Medium/BUpper is made of breathable, supportive engineered mesh with built-in stretch where needed during dynamic movements, like lunging, squatting and jumpingFlywire cables give you a dynamic fit and help keep you secure during your workoutRounded the big-toe side of the forefoot for better agility during any sudden movementsLaser-siped outsole for better flexibility allowing you to move more naturallyMulti-surface traction pattern is made for any workout surface and activity