Read Expert Boot Advice in Our Media SectionSierra Says: The Synapse is another great all-mountain freeride boot from the Salomon line-up, but is more versatile than the Salomon Malamute. Equipped this year with the Balance 3 liner, you will get a very supportive feel all over your foot due to the even distribution of lacing power. It will not only be easier to lace up the whole boot but it will have the capability of being cinched down tighter for maximum closure around the entire foot. This means that your foot no longer will be moving inside your boot without the boot responding. Basically, you will have more control at the higher speeds when both carving and maneuvering through the trees. Better yet, the new ?Spring? outsole improves board feel and energy transfer from your boot-to-board so you have all the necessary control for hard-carving freeriding. We recommend the Synapse for the intermediate to advanced riders that want a lot of response in their boots but do not want to have a rigid feeling. Become top-dog in a snap with the Synapse.
Salomon Says: Firepower for your feet, our superior blend of flex and feel. A versatile flex and full custom fit foam sit nicely atop the shock stopping Spring outsole.
-Powerlace Pro
-Versatile Flex 7
-Spring Outsole
-Full Custom fit + foam type
-Balanced Level 3 Liner
-Pre-shaped bamboo footbed
Printable Mens US Foot Measuring Guide
Printable Womens US Foot Measuring Guide
| Mens Boots Size Conversion | Womens Boot Size Chart |
| US Sizes | Euro Sizes | UK Sizes | Inches | CM | US Sizes | Euro Sizes | UK Sizes | Inches | CM |
| 6 | 39 | 5.5 | 9.25" | 23.5 | 4 | 35 | 2 | 8.1875" | 20.8 |
| 6.5 | 39 | 6 | 9.5" | 24.1 | 4.5 | 35 | 2.5 | 8.375" | 21.3 |
| 7 | 40 | 6.5 | 9.625" | 24.4 | 5 | 35-36 | 3 | 8.5" | 21.6 |
| 7.5 | 40-41 | 7 | 9.75" | 24.8 | 5.5 | 36 | 3.5 | 8.75" | 22.2 |
| 8 | 41 | 7.5 | 9.9375" | 25.4 | 6 | 36-37 | 4 | 8.875" | 22.5 |
| 8.5 | 41-42 | 8 | 10.125" | 25.7 | 6.5 | 37 | 4.5 | 9.0625" | 23 |
| 9 | 42 | 8.5 | 10.25" | 26 | 7 | 37-38 | 5 | 9.25" | 23.5 |
| 9.5 | 42-43 | 9 | 10.4375" | 26.7 | 7.5 | 38 | 5.5 | 9.375" | 23.8 |
| 10 | 43 | 9.5 | 10.5625" | 27 | 8 | 38-39 | 6 | 9.5" | 24.1 |
| 10.5 | 43-44 | 10 | 10.75" | 27.3 | 8.5 | 39 | 6.5 | 9.6875" | 24.6 |
| 11 | 44 | 10.5 | 10.9375" | 27.9 | 9 | 39-40 | 7 | 9.875" | 25.1 |
| 11.5 | 44-45 | 11 | 11.125" | 28.3 | 9.5 | 40 | 7.5 | 10" | 25.4 |
| 12 | 45 | 11.5 | 11.25" | 28.6 | 10 | 40-41 | 8 | 10.1875" | 25.9 |
| 13 | 46 | 12.5 | 11.5625" | 29.4 | 10.5 | 41 | 8.5 | 10.3125" | 26.2 |
| 14 | 47 | 13.5 | 11.875" | 30.2 | 11 | 41-42 | 9 | 10.5" | 26.7 |
| 15 | 48 | 14.5 | 12.1875" | 31 | 11.5 | 42 | 9.5 | 10.6875" | 27.1 |
| 16 | 49 | 15.5 | 12.5" | 31.8 | 12 | 42-43 | 10 | 10.875" | 27.6 |
| Youth Boot Size Conversion | Kids Boot Size Conversion |
| US Sizes | Euro Sizes | UK Sizes | Inches | CM | US Sizes | Euro Sizes | UK Sizes | Inches | CM |
| 12.5 | 30 | 11.5 | 7.25" | 18.4 | 5.5 | 21 | 4.5 | 5" | 12.7 |
| 13 | 31 | 12 | 7.5" | 19.1 | 6 | 22 | 5 | 5.125" | 13 |
| 13.5 | 31 | 12.5 | 7.625" | 19.4 | 6.5 | 22 | 5.5 | 5.25" | 13.3 |
| 1 | 32 | 13 | 7.75" | 19.7 | 7 | 23 | 6 | 5.5" | 14 |
| 1.5 | 33 | 14 | 8" | 20.3 | 7.5 | 23 | 6.5 | 5.625" | 14.3 |
| 2 | 33 | 1 | 8.125" | 20.6 | 8 | 24 | 7 | 5.75" | 14.6 |
| 2.5 | 34 | 1.5 | 8.25" | 21 | 8.5 | 25 | 7.5 | 6" | 15.2 |
| 3 | 34 | 2 | 8.5" | 21.6 | 9 | 25 | 8 | 6.125" | 15.6 |
| 3.5 | 35 | 2.5 | 8.625" | 21.9 | 9.5 | 26 | 8.5 | 6.25" | 15.9 |
| 4 | 36 | 3 | 8.75" | 22.2 | 10 | 27 | 9 | 6.5" | 16.5 |
| 4.5 | 36 | 3.5 | 9" | 22.9 | 10.5 | 27 | 9.5 | 6.625" | 16.8 |
| 5 | 37 | 4 | 9.125" | 23.2 | 11 | 28 | 10 | 6.75" | 17.1 |
| 5.5 | 37 | 4.5 | 9.25" | 23.5 | 11.5 | 29 | 10.5 | 7" | 17.8 |
| 6 | 38 | 5 | 9.5" | 24.1 | 12 | 30 | 11 | 7.125" | 18.1 |
| 6.5 | 38 | 5.5 | 9.625" | 24.4 | | | | | |
| 7 | 39 | 6 | 9.75" | | | | | | |
| Please note that European size conversions vary by country and manufacturer. Because the foot is three-dimensional, any two-dimensional measuring tool, such as a ruler or Brannock device, can only approximate your true shoe size. Please also keep in mind that manufacturers use different lasts to construct their shoes, and sizing may vary accordingly. |
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