Attributes in bold are required. Select size: 8 1/2 L 31" 8 1/2 XL 32" 8 1/2 Opera 33" 8 1/2 Opera + 34" 8 1/2 Opera ++ 35" 8 1/2 Opera +++ 36" 9 M 31" 9 L 32" 9 XL 33" 9 Opera 34" 9 Opera + 35" 9 1/2 XL 34" 9 1/2 Opera 35" 9 1/2 Opera + 36" 10 L 34" 10 1/2 M 33" 10 1/2 L 35"