STR
Built To Charge
Ride the entire mountain without breaking the bank. The STR is the perfect intro to Union's All-Mountain binding category.
Ride the entire mountain without breaking the bank. The STR is the perfect intro to Union's All-Mountain binding category. A responsive Stage 5 Duraflex baseplate, paired with the supportive STR2 Duraflex highback, and super durable Exoframe 2.0 ankle strap, will keep you feeling locked in and ready to power through whatever the mountain can throw at you.
Overall Flex: 6/10
Stage 5 Duraflex Baseplate:
Compatibility :
Size Chart
| MEN | SMALL | MEDIUM | LARGE |
|---|---|---|---|
| MONDO | 24 - 25.5 | 26 - 28 | 28.5+ |
| UK | 5 - 6.5 | 7 - 9 | 9.5+ |
| US MEN | 6 - 7.5 | 8 - 10 | 10.5+ |
| EURO | 38 - 40.5 | 41 - 43 | 43.5+ |
| WOMEN | SMALL | MEDIUM | LARGE |
|---|---|---|---|
| MONDO | 21 - 23.5 | 24 - 25.5 | 26 - 28 |
| UK | 2 - 4.5 | 5 - 6.5 | 7 - 9 |
| US WOMEN | 4 - 6.5 | 7 - 8.5 | 9 - 11 |
| EURO | 34 - 37 | 38 - 40.5 | 41 - 43 |
| YOUTH | EXTRA SMALL | SMALL | MEDIUM |
|---|---|---|---|
| MONDO | 17.5 - 21 | 21 - 23.5 | 24 - 25.5 |
| UK | 10K - 2 | 2 - 4.5 | 5 - 6.5 |
| US YOUTH | 11C - 3 | 3 - 5.5 | 6 - 7.5 |
| EURO | 28 - 34 | 34 - 37 | 38 - 40.5 |