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Item #: 2103177299
Handcrafted in Italy. LOWA's most technically advanced mixed route alpine boot. FLEXFIT SYNCHRO allows for comfortable ankle flex & articulation on exceptionally steep terrain. Double tongue, with removable and adjustable inner tongue allows for perfect fit across the top of the foot. Foot hold is enhanced with Lowa's patented I-Lock lacing. I-Core technology reduces weight, provides rigidity for automatic crampons.
| UK | EU | Length of Feet (mm) | US Men | US Women (normal) | US Women (injected soles) |
| 3 | 36 | 228 | 4 | 4.5 | 5 |
| 3.5 | 36.5 | 232 | 4.5 | 5 | 5.5 |
| 4 | 37 | 236 | 5 | 5.5 | 6 |
| 4.5 | 37.5 | 241 | 5.5 | 6 | 6.5 |
| 5 | 38 | 245 | 6 | 6.5 | 7 |
| 5.5 | 39 | 249 | 6.5 | 7 | 7.5 |
| 6 | 39.5 | 253 | 7 | 7.5 | 8 |
| 6.5 | 40 | 257 | 7.5 | 8 | 8.5 |
| 7 | 41 | 262 | 8 | 8.5 | 9 |
| 7.5 | 41.5 | 266 | 8.5 | 9 | 9.5 |
| 8 | 42 | 270 | 9 | 9.5 | 10 |
| 8.5 | 42.5 | 274 | 9.5 | 10 | 10.5 |
| 9 | 43.5 | 278 | 10 | 10.5 | 11 |
| 9.5 | 44 | 283 | 10.5 | ||
| 10 | 44.5 | 287 | 11 | ||
| 10.5 | 45 | 291 | 11.5 | ||
| 11 | 46 | 295 | 12 | ||
| 11.5 | 46.5 | 300 | 12.5 | ||
| 12 | 47 | 304 | 13 | ||
| 12.5 | 48 | 308 | 13.5 | ||
| 13 | 48.5 | 312 | 14 | ||
| 13.5 | 49 | 316 | 14.5 | ||
| 14 | 49.5 | 321 | 15 | ||
| 14.5 | 50.5 | 325 | 15.5 | ||
| 15 | 51.5 | 329 | 16 | ||
| 15.5 | 51.5 | 333 | 16.5 | ||
| 16 | 52 | 338 | 17 |
Item #: 2103177299
Handcrafted in Italy. LOWA's most technically advanced mixed route alpine boot. FLEXFIT SYNCHRO allows for comfortable ankle flex & articulation on exceptionally steep terrain. Double tongue, with removable and adjustable inner tongue allows for perfect fit across the top of the foot. Foot hold is enhanced with Lowa's patented I-Lock lacing. I-Core technology reduces weight, provides rigidity for automatic crampons.
| UK | EU | Length of Feet (mm) | US Men | US Women (normal) | US Women (injected soles) |
| 3 | 36 | 228 | 4 | 4.5 | 5 |
| 3.5 | 36.5 | 232 | 4.5 | 5 | 5.5 |
| 4 | 37 | 236 | 5 | 5.5 | 6 |
| 4.5 | 37.5 | 241 | 5.5 | 6 | 6.5 |
| 5 | 38 | 245 | 6 | 6.5 | 7 |
| 5.5 | 39 | 249 | 6.5 | 7 | 7.5 |
| 6 | 39.5 | 253 | 7 | 7.5 | 8 |
| 6.5 | 40 | 257 | 7.5 | 8 | 8.5 |
| 7 | 41 | 262 | 8 | 8.5 | 9 |
| 7.5 | 41.5 | 266 | 8.5 | 9 | 9.5 |
| 8 | 42 | 270 | 9 | 9.5 | 10 |
| 8.5 | 42.5 | 274 | 9.5 | 10 | 10.5 |
| 9 | 43.5 | 278 | 10 | 10.5 | 11 |
| 9.5 | 44 | 283 | 10.5 | ||
| 10 | 44.5 | 287 | 11 | ||
| 10.5 | 45 | 291 | 11.5 | ||
| 11 | 46 | 295 | 12 | ||
| 11.5 | 46.5 | 300 | 12.5 | ||
| 12 | 47 | 304 | 13 | ||
| 12.5 | 48 | 308 | 13.5 | ||
| 13 | 48.5 | 312 | 14 | ||
| 13.5 | 49 | 316 | 14.5 | ||
| 14 | 49.5 | 321 | 15 | ||
| 14.5 | 50.5 | 325 | 15.5 | ||
| 15 | 51.5 | 329 | 16 | ||
| 15.5 | 51.5 | 333 | 16.5 | ||
| 16 | 52 | 338 | 17 |
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