Unparallel UP Duel
Unparallel
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.
Strengths & Trade-offs
Strengths
- Exceptional sensitivity for precise footwork
- Quick slipper closure for speed training
- Soft rubber compounds for sensitive feel
- Profile translates between gym holds and real rock
- Clean slipper profile with nothing to snag
Trade-offs
- Slipper closure limits adjustability mid-climb
- Less adaptive than a leather upper over time
Sizing & Fit
Fit profile: wide width, standard forefoot volume, medium heel.
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 Mythos (0.60, stiffer).
Specifications
| Brand | Unparallel |
| Model | UP Duel |
| Closure | Slipper |
| Downturn | Flat |
| Asymmetry | Slight |
| Rubber | UP RH |
| Rubber Thickness | 4.2mm |
| Weight (pair) | 469g |
| Vegan | Yes |
| Kids | No |