Boreal Ninja Junior
Boreal

The Ninja Junior is a medium-soft, moderately downturned velcro kids' shoe from Boreal for sport climbing and bouldering. Boreal lists it as medium-width with a medium heel. In stock at 9 shops from 53.33 EUR.
A moderate-downturned velcro shoe built for young sport and boulder climbers. At 320g per pair (size EU 29-30) with Zenith Quattro rubber, it balances grip and durability in a kid-friendly package.
Best For
Best for sport climbing and bouldering on slab and vertical terrain. Aimed at beginner to hobby climbers.
Measured against the 469 adult climbing shoes we track, the Ninja Junior would rank in the top 35% for sensitivity, the top 37% for edging and the top 48% for comfort.
Strengths & Trade-offs
Ninja Junior strengths
- Curved sole performs on sport without the pain
- Velcro tabs are easy to grab with chalky hands
- All-purpose rubber compound without extremes
- Stiffness sits in the middle, handling edges and smears
Ninja Junior trade-offs
- Runs a little small next to regular kids' shoes
How the Ninja Junior fits
Size up rather than down: it runs a little small next to regular kids' shoes. The adjustable heel helps it fit a growing foot.
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: 0.43 on our 0-1 scale (0 = softest). Among moderately downturned shoes it sits between the Evolv V6 (0.34, softer) and the Red Chili Fusion (0.48, stiffer).
Ninja Junior specifications
| Brand | Boreal |
| Model | Ninja Junior |
| Closure | Velcro |
| Downturn | Moderate |
| Asymmetry | Slight |
| Toe Patch | Medium |
| Heel Rubber | Partial |
| Ankle Protection | None |
| Midsole | Forefoot |
| Midsole Stiffness | Medium soft |
| Rand | Tensioned |
| Upper Material | Leather |
| Weight (pair) | 320 g (11.3 oz) |
| Break-in | Minimal |
| Rubber | Zenith Quattro |
| Rubber Thickness | 4mm |
| Rubber Hardness | Medium |
| Durability | Moderate, High |
| Vegan | No |
| Resoleable | No |
| Kids | Yes |
What the Ninja Junior costs
Prices checked 15 Oct 2026 across 9 shops that currently stock it (53.33 to 69.95 EUR). Cheapest current offer: 53.33 EUR at bananafingers.co.uk, 24% below the 69.95 EUR list price.
| Retailer | Price |
|---|---|
| bananafingers.co.uk | 53.33 EUR |
| barrabes.com | 55.96 EUR |
| bergfreunde.de | 55.96 EUR |
| outdoor-climbing.de | 56.00 EUR |
| blackisard.com | 56.46 EUR |
| oliunid.de | 59.90 EUR |
| rockrun.com | 60.00 EUR |
| bergzeit.de | 64.60 EUR |
| berghut.be | 69.95 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 |
|---|---|---|
| 28 | 53.33 EUR | 5 |
| 29 | 64.60 EUR | 1 |
| 30 | 53.33 EUR | 5 |
| 31 | 64.60 EUR | 1 |
| 32 | 53.33 EUR | 6 |
| 33 | 64.60 EUR | 1 |
| 34 | 53.33 EUR | 5 |
| 35 | 64.60 EUR | 1 |
| 36 | 53.33 EUR | 5 |
| 37 | 64.60 EUR | 1 |
| 38 | 55.96 EUR | 4 |
Similar Climbing Shoes
- Black Diamond Momentum Kids
- Mad Rock Mad Monkey 3
- Scarpa Reflex V Kid
- Five Ten Kirigami Kids
- Evolv Venga
- EB Neo Kid 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.