Lowa X Boulder
Lowa
The X Boulder is a stiff, aggressively downturned velcro shoe from Lowa for bouldering. Lowa lists it as medium-width with a medium heel.
With moderate asymmetry and standard volume, this shoe combines an aggressively downturned profile with a velcro closure. Its stiff feel and standard volume accommodate a range of foot shapes while maintaining support. Ideal for boulder climbing, this shoe excels on technical terrain.
Best For
Best for bouldering on overhang and roof terrain. Aimed at intermediate to advanced climbers.
Among the 469 adult climbing shoes we track, the X Boulder ranks in the top 4% for edging, the top 18% for pocket climbing and the top 30% for hooking.
Strengths & Trade-offs
X Boulder strengths
- Hooks pockets and edges on steep walls
- Rip the straps open to air out between goes
- Board-y feel lets you stand on nothing for ages
- Full rubber toe patch for hooks and jams
X Boulder trade-offs
- Downturned shape puts pressure on the toes
How the X Boulder fits
Expect minimal stretch.
Fit profile: medium width, standard forefoot volume, medium heel, suits egyptian toe shapes.
Minimal stretch expected; moderate break-in.
How it fit climbers with your foot shape: fit reports from feet like yours.
X Boulder fit reports
2 scanned owners have reported how this shoe fits so far - not enough yet for a fit fingerprint; verdicts unlock at 5 owners. The reports come from climbers who measured their feet with the climbing-gear.com foot scanner and rated the fit of the shoes they own.
Stiffness
Measured stiffness: 0.71 on our 0-1 scale (0 = softest). Among aggressive shoes it sits between the Scarpa Boostic R (0.67, softer) and the Unparallel Regulus (0.79, stiffer).
X Boulder specifications
| Brand | Lowa |
| Model | X Boulder |
| Closure | Velcro |
| Downturn | Aggressive |
| Asymmetry | Moderate |
| Toe Patch | Full |
| Heel Rubber | Full |
| Ankle Protection | None |
| Midsole | Full |
| Midsole Stiffness | Hard |
| Rand | Tensioned |
| Upper Material | Synthetic |
| Weight (pair) | 480 g (16.9 oz) |
| Break-in | Moderate |
| Rubber | Vibram XS Grip |
| Rubber Thickness | 4mm |
| Rubber Hardness | Soft |
| Durability | Moderate, High |
| Vegan | No |
| Resoleable | Yes |
| Kids | No |
What the X Boulder costs
No shop in the EU pool lists the X Boulder in stock right now.
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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.