Unparallel Sirius LV
Unparallel
An aggressive downturned lace shoe engineered for narrow, low-volume feet, the Sirius LV combines an offset lacing system with 3.5mm RS rubber for precision and sensitivity. High asymmetry and a medium midsole deliver powerful edging and toe hooking on steep terrain.
Best For
Best for sport climbing on slab, vertical and overhang terrain. Aimed at intermediate to advanced climbers.
Strengths & Trade-offs
Strengths
- Precise lace-up fit tuning
- Transitions between indoor and outdoor climbing easily
- Laces let you fine-tune tension across the foot
- All-round compound handles different rock textures
- Flex handles the transition from edging to smearing
Trade-offs
- Narrow last cuts out wider feet
Sizing & Fit
Best for narrow feet and lower insteps. Size for a snug but comfortable fit.
Fit profile: narrow width, low forefoot volume, narrow heel, suits egyptian toe shapes.
No stretch expected; minimal break-in.
Stiffness
Measured stiffness: 0.48 on our 0-1 scale (0 = softest). Among aggressive shoes it sits between the La Sportiva Solution (0.42, softer) and the La Sportiva Genius (0.56, stiffer).
Specifications
| Brand | Unparallel |
| Model | Sirius LV |
| Closure | Lace |
| Feel | Moderate |
| Downturn | Aggressive |
| Asymmetry | Strong |
| Rubber | UP RS |
| Rubber Thickness | 3.5mm |
| Weight (pair) | 340g |
| Vegan | Yes |
| Kids | No |