M recommends a weight of 35KG-40KGL recommends a weight of 40KG-50KG QC XL recommends a weight of 50KG-60KGXXL recommends a weight of 60KG-70KGXXXL recommends a weight of 70KG-80KGXXXXL recommends a weight of 80KG-90KG5XL recommends a weight of 90KG-100KG