Description:Neutral shoe - Get a great feeling shoe without the bulk! The Wave Rider 13 is has had minimum updates due to the success of the Rider 12. The new Premium Collar Lining and flex eyelets add to the fit and comfort of this already comfortable model. Tried and true, the Rider series is the perfect balance of responsiveness, cushioning and flexibility. Gender engineered to meet the needs of the ladies. Width B=Medium How It Fits (Based on Width B) * Sizing: Standard running shoe length * Heel: Average width * Midfoot: Medium volume * Forefoot: Medium width * Toe-Box height: Medium * Arch structure: Medium height