Red Chili Voltage X
Red Chili
The Voltage X is a soft, aggressively downturned velcro shoe from Red Chili for bouldering and sport climbing. Red Chili lists it as wide-width with a wide heel. In stock at 11 shops from 108.45 EUR.
A soft high-end shoe with an aggressive downturn, built for modern bouldering on volumes, roofs, hooks and jumps. The RC-TENSION S midsole adds tension without losing sensitivity, while the soft synthetic upper and aggressive geometry dominate overhanging boulder problems. Vibram XS Grip 4.0mm rubber delivers edge precision on indoor and limestone.
Best For
Best for bouldering and sport climbing on overhang and roof terrain. Aimed at advanced to elite climbers.
Among the 469 adult climbing shoes we track, the Voltage X ranks in the top 5% for hooking, the top 12% for smearing and the top 13% for pocket climbing.
Strengths & Trade-offs
Voltage X strengths
- Soft RC-TENSION S midsole keeps it sensitive
- Soft synthetic for comfort
- Competition-grade performance
- Sharply downturned for hooking and steep terrain
- Softer compound sticks well on smeary holds
Voltage X trade-offs
- Wide forefoot may not suit narrow feet
- Aggressive profile unsuitable for slab
- Minimal cushioning for foot fatigue
How the Voltage X fits
Red Chili sizes its high-end shoes to your street shoe size, or up to one size smaller for a tighter performance fit. The upper stretches little, and the relatively wide rand fits many foot shapes.
Fit profile: wide width, standard forefoot volume, wide heel, suits egyptian toe shapes.
Minimal stretch expected; minimal break-in; manufacturer suggests street size to one size down.
How it fit climbers with your foot shape: fit reports from feet like yours.
Voltage X fit reports
1 scanned owner has 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: 0.33 on our 0-1 scale (0 = softest). Among aggressive shoes it sits between the La Sportiva Theory (0.24, softer) and the Tenaya Mastia (0.40, stiffer).
Voltage X specifications
| Brand | Red Chili |
| Model | Voltage X |
| Closure | Velcro |
| Downturn | Aggressive |
| Asymmetry | Strong |
| Toe Patch | Full |
| Heel Rubber | Full |
| Ankle Protection | None |
| Midsole | Full |
| Midsole Stiffness | Soft |
| Rand | Tensioned |
| Upper Material | Microfiber |
| Weight (pair) | 464 g (16.4 oz) |
| Break-in | Minimal |
| Rubber | Vibram XS Grip |
| Rubber Thickness | 4mm |
| Rubber Hardness | Soft |
| Durability | Low, Moderate |
| Vegan | Yes |
| Resoleable | Yes |
| Kids | No |
What the Voltage X costs
Prices checked 15 Oct 2026 across 11 shops that currently stock it (108.45 to 160.16 EUR). Cheapest current offer: 108.45 EUR at kletterbude.de, 32% below the 160.00 EUR list price.
| Retailer | Price |
|---|---|
| kletterbude.de | 108.45 EUR |
| bergfreunde.de | 108.47 EUR |
| sportokay.com | 114.99 EUR |
| bergzeit.de | 127.95 EUR |
| naturzeit.com | 131.16 EUR |
| klimwinkel.nl | 132.50 EUR |
| oliunid.de | 135.90 EUR |
| epictv.com | 135.90 EUR |
| decathlon.de | 156.40 EUR |
| biwakschachtel-tuebingen.de | 160.00 EUR |
| + 1 more shops | |
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 |
|---|---|---|
| 35.5 | 108.45 EUR | 3 |
| 36 | 108.45 EUR | 3 |
| 37 | 108.45 EUR | 3 |
| 37.5 | 108.45 EUR | 2 |
| 38 | 108.45 EUR | 3 |
| 38.5 | 108.45 EUR | 4 |
| 39 | 108.45 EUR | 5 |
| 39.5 | 127.95 EUR | 1 |
| 40 | 108.45 EUR | 5 |
| 40.5 | 108.45 EUR | 7 |
| 41 | 108.45 EUR | 9 |
| 42 | 108.45 EUR | 8 |
| 42.5 | 108.45 EUR | 8 |
| 43 | 108.45 EUR | 9 |
| 44 | 108.45 EUR | 9 |
| 44.5 | 108.45 EUR | 9 |
| 45 | 108.45 EUR | 7 |
| 45.5 | 108.45 EUR | 4 |
| 46 | 108.45 EUR | 4 |
| 47 | 108.45 EUR | 4 |
Similar Climbing Shoes
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.