S size [suitable for weight 40-47.5kg ]M size [suitable for weight 47.5-52.5kg ]L size [suitable for weight 52.5-57.5kg ]Xl size [suitable for weight 57.5-65kg ]2xl size [suitable for weight 65-77.5kg ]3xl [suitable for weight 77.5-85kg ]4xl size [suitable for weight 85-97.5kg ]5xl [suitable for weight 97.5-110kg ]