Boreal Zephyr
Boreal

The Zephyr is a stiff, flat-lasted lace shoe from Boreal for sport climbing and bouldering. Boreal lists it as medium-width with a medium heel.
Balanced profile suits climbers who prioritize comfort without sacrificing performance. Zenith Quattro rubber with lace closure and a stiff board-lasted build creates reliable grip and support on small edges. Versatile fit works across different climbing styles and foot shapes.
Best For
Best for sport climbing and bouldering on slab and vertical terrain. Aimed at beginner to hobby climbers.
Among the 469 adult climbing shoes we track, the Zephyr ranks in the top 3% for support, the top 7% for crack climbing and the top 11% for comfort.
Strengths & Trade-offs
Zephyr strengths
- Straight last for natural foot position on easier ground
- Full-length lacing gives a precise fit
- Board-y feel lets you stand on nothing for ages
- Thick 4.5mm rubber adds outdoor durability
Zephyr trade-offs
- No downturn means less precision on pockets
- Rigid midsole dulls feedback from the rock
How the Zephyr fits
Expect little to no stretch: anti-stretch stitching keeps the split leather upper in shape.
Fit profile: medium 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.
Stiffness
Measured stiffness: 0.73 on our 0-1 scale (0 = softest). Among flat shoes it sits between the Scarpa Velocity (0.65, softer) and the Unparallel Up-Rise Pro (0.79, stiffer).
Zephyr specifications
| Brand | Boreal |
| Model | Zephyr |
| Closure | Lace |
| Downturn | Flat |
| Asymmetry | None |
| Toe Patch | None |
| Heel Rubber | Partial |
| Ankle Protection | None |
| Midsole | Full |
| Midsole Stiffness | Hard |
| Rand | Relaxed |
| Upper Material | Leather |
| Weight (pair) | 542 g (19.1 oz) |
| Break-in | Minimal |
| Rubber | Zenith Quattro |
| Rubber Thickness | 4.5mm |
| Rubber Hardness | Medium |
| Durability | High |
| Vegan | No |
| Resoleable | Yes |
| Kids | No |
What the Zephyr costs
No shop in the EU pool lists the Zephyr in stock right now.
Similar Climbing Shoes
- Butora Advance
- La Sportiva Finale Women's
- Mad Rock Phoenix
- La Sportiva Mythos
- La Sportiva Tarantulace
- Scarpa Velocity
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.