Ocun Sigma
Ocun
Maximum precision technical shoe built on the Competition last with lace closure. Features a two-part 3D Fit Hard midsole supporting both toes and arch for enhanced stability. Vibram rubber delivers reliable grip. 3D toe patch for precise hooking.
Best For
Best for sport climbing and bouldering on overhang and vertical terrain. Aimed at advanced climbers.
Strengths & Trade-offs
Strengths
- Lace precision for foot control
- Split sole allows flex management
- Medium rubber balances grip and sensitivity
- Lightweight construction
- Powerful downturn for pulling through roofs
Trade-offs
- Narrow fit excludes most climbers
- Split sole requires technique adjustment
- Elite-only approach
Sizing & Fit
Microfiber minimal stretch fits true-to-size with tight lacing. Narrow heel and volume suit pointed Czech feet ideally.
Fit profile: medium width, standard forefoot volume, narrow heel, suits egyptian, roman and greek toe shapes.
Minimal stretch expected; moderate break-in; manufacturer suggests downsizing 0-1 EU from street size.
Stiffness
Measured stiffness: 0.50 on our 0-1 scale (0 = softest). Among aggressive shoes it sits between the La Sportiva Solution (0.43, softer) and the La Sportiva Genius (0.59, stiffer).
Specifications
| Brand | Ocun |
| Model | Sigma |
| Closure | Lace |
| Downturn | Aggressive |
| Asymmetry | Strong |
| Rubber | Vibram XS Grip |
| Rubber Thickness | 4mm |
| Weight (pair) | 500g |
| Vegan | Yes |
| Kids | No |
Prices
| Retailer | Price |
|---|---|
| bergfreunde.de | 84.98 EUR |
| verticalextreme.de | 101.90 EUR |
| 8a.de | 134.99 EUR |
| oliunid.de | 144.90 EUR |
| oliunid.es | 144.90 EUR |
| oliunid.it | 144.90 EUR |
| epictv.com | 144.90 EUR |
| oliunid.fr | 144.90 EUR |
| hardloop.de | 149.90 EUR |
| bananafingers.co.uk | 151.60 EUR |
| + 6 more retailers | |
Cheapest current offer: 84.98 EUR at bergfreunde.de, 43% below the 150.00 EUR list price. 16 shops currently stock it (84.98 to 169.95 EUR).