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Updated SkyBox with improved aerodynamics and quieter ride
Last reviewed: April 2026
At a glance
Why this product
At 21 cu ft and 50 lbs, the SkyBox NX 21 is Yakima's largest flat-bottom box — that interior design means less wasted space in the corners compared to curved competitors. Improved aerodynamics keep it reasonably quiet. The downside? 50 lbs is manageable but not light, and Yakima's mounting system still requires more fiddling than Thule's PowerClick.
Detailed specs
| Interior Volume | 595 L |
| Dual-Side Opening | Yes |
| Aerodynamic Profile | Yes |
| Quick-Mount System | Yes |
| Fits Skis Inside | Yes |
| Box Weight | 23 kg |
| Security Rating | Moderate |
| Low Profile | No |
| Mounting Hardware Included | Yes |
| Noise Rating | Moderate |
Best prices
| Retailer | Price | Status | |
|---|---|---|---|
| Amazon US | Check price | Check availability | Check Price |
Disclosure: MyCargoRacks.com is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more
Disclosure: MyCargoRacks.com is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more
Premium XL roof box with flat bottom interior, 21 cu ft.
Price may vary. Prices and availability are subject to change.
Performance analysis
vs. average in cargo_carrier
Price vs. score for all cargo_carrier
Fitment
| Model | Years | Fit | Requirements |
|---|---|---|---|
| Tahoe(5th Gen) | 2021+ | good | Crossbars needed |
| Model | Years | Fit | Requirements |
|---|---|---|---|
| Explorer(6th Gen) | 2020+ | good |
Community feedback
Based on 234 reviews
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|---|---|---|---|
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|---|---|---|---|
| Model Y(1st Gen) | 2020+ | good | Crossbars needed |
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|---|---|---|---|
| RAV4(6th Gen) | 2025+ | good | Crossbars needed |
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