The Feather Flex has a more flexible and responsive sole than the Ultralite jig shoe. Feather Flexi Size. All sizes are in UK sizes. 10 178 10.5 181 11 183 11.5 189 12 196 12.5 200 13 205 13.5 208 1 211 1.5 215 2 217 2.5 219 3 223 3.5 226 4 232 4.5 237 5 242 5.5 245 6 249 6.5 253 7 257 7.5 265 8 268 8.5 271 9 276 9.5 281 10 285 10.5 288 11 294 12 303.
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