Blue Yellow XS [within 30 pounds] M [Suggested 40.00 kg-50.00 kg]] L [Recommendation 50.00 kg-60.00 kg]] XL [Suggested 60.00 kg-67.50 kg]] 2XL [Suggested 67.50 kg-75.00 kg]] 3XL [Suggested 75.00 kg-87.50 kg]] 4XL [Suggested 87.50 kg-95.00 kg]] 5XL [Suggested 95.00 kg-110.00 kg]]