# Which inflatable stand up paddleboards have the best stability? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which inflatable stand up paddleboards have the best stability?

## Products

### iRocker Blackfin Model X
```yaml
product: irocker-blackfin-model-x
brand: iRocker
price_gbp: 597.66
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 27 lbs
fin_type: 2+1 removable fins (center + two side)
size: 10 ft 6 in x 35 in x 6 in
accessory_included: paddle, pump, leash, 3 fins, repair kit, roller backpack
maximum_rider_weight: 450 lbs
psi: 15 PSI
```

- **Price:** £597.66 [^1]
- **Summary:** The Blackfin Model X is a wide, stable 10 ft 6 in inflatable SUP built with triple-layer composite PVC and carbon-reinforced rails for stiffness and durability. It offers a high 450 lb capacity, multiple accessory mounts and generous cargo bungees, making it versatile for fishing, yoga, family use and calm-water adventures. The included premium accessories (carbon-shaft paddle, pump, leash, fins, repair kit and wheeled backpack) make it a ready-to-go kit.
- **Ideal For:** Excellent for maximum stability due to its 35 in width, 6 in thickness and 450 lb capacity which provide a very wide, high-volume platform that resists tipping.

---
## References & Sources
[^1]: InflatableBoarder, accessed 2026-06-13. https://www.inflatableboarder.com/blackfin-10-6-model-x-review/