Unparallel UP Duel
Unparallel
The UP Duel is a medium-stiff, flat-lasted slipper shoe from Unparallel for bouldering, sport climbing and speed. Unparallel lists it as wide-width with a medium heel.
Developed for Olympic speed climbing alongside Tomoa Narasaki, the UP Duel is a soft, supple moccasin slipper prioritizing sensitivity and quick foot movement. The premium RH rubber outsole ensures every placement stays secure without bulk, making it an excellent gym trainer for sensitive footwork.
Best For
Best for bouldering, sport climbing and speed. Aimed at intermediate to advanced climbers.
Among the 469 adult climbing shoes we track, the UP Duel ranks in the top 18% for crack climbing, the top 28% for comfort and the top 39% for hooking.
Strengths & Trade-offs
UP Duel strengths
- Exceptional sensitivity for precise footwork
- Quick slipper closure for speed training
- 4.2mm RH rubber is both sticky and durable
- Profile translates between gym holds and real rock
- Clean slipper profile with nothing to snag
UP Duel trade-offs
- Slipper closure limits adjustability mid-climb
- Less adaptive than a leather upper over time
How the UP Duel fits
Fit profile: wide width, standard forefoot volume, medium heel.
How it fit climbers with your foot shape: fit reports from feet like yours.
Stiffness
Measured stiffness: 0.51 on our 0-1 scale (0 = softest). Among flat shoes it sits between the Black Diamond Momentum (0.46, softer) and the La Sportiva Tarantula (0.59, stiffer).
UP Duel specifications
| Brand | Unparallel |
| Model | UP Duel |
| Closure | Slipper |
| Downturn | Flat |
| Asymmetry | Slight |
| Toe Patch | Medium |
| Heel Rubber | Full |
| Midsole | Full |
| Midsole Stiffness | Medium |
| Rand | Relaxed |
| Upper Material | Microfiber |
| Weight (pair) | 469 g (16.5 oz) |
| Rubber | UP RH |
| Rubber Thickness | 4.2mm |
| Rubber Hardness | Medium |
| Vegan | Yes |
| Resoleable | No |
| Kids | No |
What the UP Duel costs
No shop in the EU pool lists the UP Duel in stock right now.
Similar Climbing Shoes
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