Approximate measurements (XS): 20" pit to pit, 22" length Approximate measurements (M): 23" pit to pit, 22" length Approximate measurements (XL): 25" pit to pit, 24" length Measurements are provided as a reference point for your convenience. Not all NWT items will be measured. When multiple sizes are available, not all sizes will be measured. Please check the the brand sizing chart and any relevant reviews to determine fit. This style appears to run large.