Boreal Silex
Boreal

The Silex is a firm, flat-lasted velcro shoe from Boreal for sport climbing. Boreal lists it as wide-width with a medium heel. In stock at 8 shops from 84.00 EUR.
A flat-downturned velcro shoe built for sport, combining a symmetric profile with stiff-moderate responsiveness. At 626g per pair with Zenith Quattro rubber, it balances power and precision.
Best For
Best for sport climbing on slab and vertical terrain. Aimed at beginner to hobby climbers.
Among the 469 adult climbing shoes we track, the Silex ranks in the top 9% for comfort, the top 17% for support and the top 26% for crack climbing.
Strengths & Trade-offs
Silex strengths
- Durable Zenith Quattro rubber resists wear on rough rock
- No downturn means you can wear them longer without pain
- Straps make getting shoes on and off painless
- Stiff platform supports on tiny edges
Silex trade-offs
- Loose feel for narrow-footed climbers
- Stiff platform sacrifices sensitivity for support
- On the heavier side at 626g per pair
How the Silex fits
Expect little to no stretch. Best for wide feet and those seeking roomy, all-day comfort.
Fit profile: wide width, standard forefoot volume, medium heel, suits egyptian toe shapes.
No stretch expected; minimal break-in.
How it fit climbers with your foot shape: fit reports from feet like yours.
Silex 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: 0.63 on our 0-1 scale (0 = softest). Among flat shoes it sits between the La Sportiva Tarantula (0.59, softer) and the Scarpa Velocity (0.65, stiffer).
Silex specifications
| Brand | Boreal |
| Model | Silex |
| Closure | Velcro |
| Downturn | Flat |
| Asymmetry | None |
| Toe Patch | None |
| Heel Rubber | Partial |
| Ankle Protection | None |
| Midsole | Full |
| Midsole Stiffness | Medium hard |
| Rand | Relaxed |
| Upper Material | Leather |
| Weight (pair) | 626 g (22.1 oz) |
| Break-in | Minimal |
| Rubber | Zenith Quattro |
| Rubber Thickness | 4.5mm |
| Rubber Hardness | Medium |
| Durability | High |
| Vegan | No |
| Resoleable | Yes |
| Kids | No |
What the Silex costs
Prices checked 15 Oct 2026 across 8 shops that currently stock it (84.00 to 107.95 EUR). Cheapest current offer: 84.00 EUR at barrabes.com, 30% below the 119.95 EUR list price.
| Retailer | Price |
|---|---|
| barrabes.com | 84.00 EUR |
| climbingzone.es | 87.97 EUR |
| oliunid.de | 99.90 EUR |
| epictv.com | 99.90 EUR |
| bananafingers.co.uk | 100.73 EUR |
| bergfreunde.de | 101.96 EUR |
| bergzeit.de | 106.20 EUR |
| decathlon.es | 107.95 EUR |
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 |
|---|---|---|
| 38 | 106.20 EUR | 1 |
| 38.5 | 106.20 EUR | 1 |
| 39 | 84.00 EUR | 2 |
| 39.5 | 101.96 EUR | 2 |
| 40 | 100.73 EUR | 3 |
| 40.5 | 87.97 EUR | 3 |
| 41 | 87.97 EUR | 2 |
| 41.5 | 100.73 EUR | 3 |
| 42 | 84.00 EUR | 5 |
| 42.5 | 87.97 EUR | 5 |
| 43 | 84.00 EUR | 3 |
| 44 | 84.00 EUR | 6 |
| 44.5 | 84.00 EUR | 6 |
| 45 | 84.00 EUR | 3 |
| 46 | 84.00 EUR | 6 |
| 46.5 | 87.97 EUR | 6 |
| 47 | 100.73 EUR | 2 |
| 47.5 | 84.00 EUR | 1 |
| 48 | 84.00 EUR | 2 |
Similar Climbing Shoes
- Scarpa Reflex VS
- La Sportiva Tarantula
- La Sportiva Tarantulace
- Five Ten Kirigami
- Boreal Silex Lace
- EB Electron 3.0
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.