Thank you for your interest in MXC! Footwear: All sizes listed are US sizes. Apparel: All sizes listed are Asian/International sizes. Please note that these sizes generally run 1-2 sizes smaller than US sizes. Authenticity & Quality Guarantee. Order Modification & Cancellation Policy. All our items are carefully curated authentic products. (GUARANTEE OF AUTHENTICITY) Guaranteed 100% authentic goods! We do not sell fakes. Brand New with Original Box. ALL SALES ARE FINAL. Feel free to message us if you have any questions!