How can I determine if I should choose XXXL or XXXXL? Measure your bust, waist, and hips using a measuring tape, and compare your measurements to the size chart of the brand you’re shopping with. If your measurements fall between the ranges for XXXL and XXXXL, consider how you prefer your clothing to fit—snug or slightly looser. My account Privacy Policy Refund and Returns Policy Terms and Conditions Faqs FAQs What is the difference between XXXL and XXXXL? Xxxl and xxxxl are both plus- size categories, but xxxxl is slightly larger. In terms of US size chart, xxxl has a bust size of 46-48, waist of 42-44 and hip of 48-50 inches. The proportions for xxxxl are - bust: 48-50 inches, waist: 44-46 inches, hips: 50-52 inches. Amazon.in: xxxxl t shirtCheck each product page for other buying options. Price and other details may vary based on product size and colour.