Unparallel Sirius
Unparallel
The Sirius is a medium-stiff, aggressively downturned lace shoe from Unparallel for sport climbing. Unparallel lists it as narrow-width with a medium heel. In stock at 2 shops from 115.18 EUR.
An aggressive downturned lace shoe built for demanding sport and overhanging projects, the Sirius 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.
Among the 469 adult climbing shoes we track, the Sirius ranks in the top 21% for edging, the top 33% for pocket climbing and the top 41% for sensitivity.
Strengths & Trade-offs
Sirius strengths
- Precise lace-up fit tuning
- Shape adapts to the angles you see on most sport climbs
- Customizable lace tension for long route comfort
- Rubber works on granite, limestone, and plastic equally
- New rubber gives this shoe a second life
Sirius trade-offs
- Less adaptive than a leather upper over time
How the Sirius fits
Unparallel advises starting from your street size. Size for a snug but comfortable fit.
Fit profile: narrow width, standard forefoot volume, medium heel, suits egyptian toe shapes.
No stretch expected; minimal break-in.
How it fit climbers with your foot shape: fit reports from feet like yours.
Stiffness
Measured stiffness: 0.47 on our 0-1 scale (0 = softest). Among aggressive shoes it sits between the La Sportiva Solution (0.43, softer) and the Evolv Shaman (0.51, stiffer).
Sirius specifications
| Brand | Unparallel |
| Model | Sirius |
| Closure | Lace |
| Downturn | Aggressive |
| Asymmetry | Strong |
| Toe Patch | Medium |
| Heel Rubber | Partial |
| Ankle Protection | None |
| Midsole | Full |
| Midsole Stiffness | Medium |
| Rand | Tensioned |
| Upper Material | Synthetic |
| Weight (pair) | 434 g (15.3 oz) |
| Break-in | Minimal |
| Rubber | UP RS |
| Rubber Thickness | 3.5mm |
| Rubber Hardness | Soft |
| Durability | Moderate, High |
| Vegan | Yes |
| Resoleable | Yes |
| Kids | No |
What the Sirius costs
Prices checked 15 Oct 2026 across 2 shops that currently stock it (115.18 to 139.90 EUR). Cheapest current offer: 115.18 EUR at bananafingers.co.uk, 21% below the 145.00 EUR list price.
| Retailer | Price |
|---|---|
| bananafingers.co.uk | 115.18 EUR |
| oliunid.de | 139.90 EUR |
Prices by size
Cheapest in-stock price per EU size and how many shops list that size, from the EU pool. Updated daily.
| EU size | From | Shops |
|---|---|---|
| 38 | 115.18 EUR | 2 |
| 39 | 115.18 EUR | 2 |
| 39.5 | 115.18 EUR | 1 |
Similar Climbing Shoes
- Wild Climb Pantera Laser
- Tenaya Indalo
- Wild Climb Pantera V
- Tenaya Tarifa
- Red Chili Voltage Lace
- Scarpa Mago
Prices, stock and owner fit data on this page update daily. You are welcome to cite these figures if you name climbing-gear.com and link to this page - see our data terms.