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Independence Day Sale Sihoo official store
The Sihoo Doro C300 Pro V2 Independence Day deal
Sihoo's Independence Day sale takes the Doro C300 Pro V2 from its $499.99 launch price to $429.99 on the official US store through July 12, 2026. All four variants are exactly $70 off, the chair's first markdown since it launched in June.
Black Standard · every variant takes the same $70 off
- Sale ends July 12, 2026
- Free US shipping
- 30-day trial
- 3-year warranty
Why the C300 Pro V2 is the pick of this sale
The V2 sits between the flagship Doro S300 and the standard C300 Pro in Sihoo's lineup, and it is the only chair in the range built around adaptive support end to end. The lumbar unit is Sihoo's Self-Adaptive Dynamic Lumbar Support 2.0, which tracks your posture as you shift rather than holding one fixed shape. The recline uses Smart Mechanism 2.0 to calibrate resistance to your body weight automatically, so there is no tension dial to tune. Sihoo cites a 40 kg to 100 kg calibration range. The full review breaks down what each of those systems changes and who the upgrade is for.
The 8D bionic armrests are the spec that separates it from everything else in the sale: they adjust in eight directions, including 360 degree rotation and a tilt mode that keeps forearms supported while reclined. The C300 Pro gets 6D arms and the standard C300 gets 3D. Add the widest headrest in the Doro line, which Sihoo says has a 28 percent larger contact area than the previous model, and a 330 lb capacity that tops the lineup, and the V2 is the spec leader by a clear margin.
At $499.99 it competed with chairs that undercut it on price. At $429.99 the calculus is simpler: against the C300 Pro's $359.99 sale price, the step up to the V2 costs $70 instead of $140, and you keep every headline feature that justified the V2's launch positioning.
Pick your variant: all four are $70 off
| Variant | SKU | Sale price | Launch price | Stock | Buy |
|---|---|---|---|---|---|
| Black · Standard | C300-PRO-V2-T101 | $429.99 | $499.99 | In stock | View |
| Black · Footrest | C300-PRO-V2-T101-JT | $469.99 | $539.99 | In stock | View |
| White · Standard | C300-PRO-V2-T102 | $439.99 | $509.99 | In stock | View |
| White · Footrest | C300-PRO-V2-T102-JT | $479.99 | $549.99 | In stock | View |
Prices and stock checked against Sihoo's official US store
Is $429.99 a good price?
The V2 launched in June 2026 at $499.99 and held that price through Sihoo's June sale, where the launch promotion was giveaway entry rather than a markdown. This is the first time the official store has listed it lower, so there is no long price history to weigh. What we can say: the discount is real money against the only price this chair has ever sold for, and it applies evenly across all four variants.
We do not show "was" prices for the rest of the lineup on this page because Sihoo's list prices on older chairs sit well above what they have sold for this year. For the V2 the comparison is legitimate: $499.99 is what buyers paid last month.
Price check
Through July 12
Independence Day price
$429.99
Launch price (June 2026)
$499.99
Every variant is exactly $70 off, which works out to 14 percent off the base model's launch price.
- White adds $10 over Black, and the Footrest versions add $40 over Standard. All four take the same $70 off.
- Sihoo's sale page also lists code USA20 for an extra $20 off at checkout; eligibility shows in the cart before you pay.
- If $429.99 stretches the budget, the standard Doro C300 at $279.99 covers the fundamentals for $150 less.
The other chairs in the sale
Sihoo advertises up to 50 percent off list across the Independence Day lineup. Here is how the V2 compares with the rest of the Doro line and the budget M18 on the specs that decide the choice. The full Sihoo lineup guide breaks down every model if you want the long version.
★ This deal ★
Doro C300 Pro V2
Adaptive recline, widest adjustment range in the lineup
$429.99$499.99- Capacity
- 330 lbs
- Armrests
- 8D
- Recline
- Auto-calibrating
Doro C300 Pro
The step-down pick with 6D armrests
$359.99- Capacity
- 300 lbs
- Armrests
- 6D
- Recline
- Multi-tilt lock
Doro C300
The value pick with self-adaptive lumbar
$279.99- Capacity
- 300 lbs
- Armrests
- 3D
- Recline
- Tilt + lock
| Chair | Sale price | Was | You save | Capacity | Armrests | Recline | Buy |
|---|---|---|---|---|---|---|---|
| Doro C300 Pro V2This dealAdaptive recline, widest adjustment range in the lineup | $429.99 | $499.99 | $70 | 330 lbs | 8D | Auto-calibrating | View deal |
| Doro S300The flagship recline chair | $599.99 | 300 lbs | 4D | Anti-Gravity | View deal | ||
| Doro C300 ProThe step-down pick with 6D armrests | $359.99 | 300 lbs | 6D | Multi-tilt lock | View deal | ||
| Doro C300The value pick with self-adaptive lumbar | $279.99 | 300 lbs | 3D | Tilt + lock | View deal | ||
| M18The budget seat in the sale | $169.99 | 330 lbs | 2D | Tilt + lock | View deal |
Also in the sale: the M59AS at $239.99 and the M57 at $239.99, both fabric-and-mesh task chairs a tier below the Doro line. For picks beyond Sihoo in this price range, see the best ergonomic chairs under $600.
Match the deal to how you sit
Every chair in the lineup is discounted through July 12, so the only question is which one fits your day. Four quick routes:
You sit all day and want the chair to do the adjusting.
The C300 Pro V2 is the chair this sale is built around: adaptive lumbar, auto-calibrating recline, 8D arms.
You want the biggest percentage cut.
The Doro C300 at $279.99 is half off Sihoo's list price and keeps the self-adaptive lumbar idea.
You recline more than you type.
The flagship S300 and its Anti-Gravity recline are in the sale at $599.99. The deeper lounge experience of the line.
You want a leg rest for recline breaks.
The V2 Footrest versions pair a flip-out leg rest with the 135 degree recline lock, and they take the same $70 off.
Frequently asked questions
When does the Sihoo Independence Day sale end?
Sihoo lists the Independence Day sale as running through July 12, 2026 on its official US store. Sale pricing applies automatically at sihoooffice.com, so the C300 Pro V2's $70 discount needs no code.
Are all four C300 Pro V2 variants discounted?
Yes. During the sale window Black Standard is $429.99, Black Footrest is $469.99, White Standard is $439.99, White Footrest is $479.99. Each variant is exactly $70 below its launch price.
Is this the lowest price the C300 Pro V2 has been offered at?
On Sihoo's official US store, this is the first markdown since the chair launched in June 2026. It held its $499.99 launch price through Sihoo's June sale, where the launch promotion was giveaway entry rather than a discount.
Is the Footrest version worth the extra $40?
It adds a flip-out leg rest that pairs with the 135 degree recline lock. If you take reading or rest breaks in the chair, it is a sensible add. If you mostly sit upright and type, the Standard version has every part of the chair that matters.
What does the USA20 code on Sihoo's sale page do?
Sihoo's Independence Day landing page lists code USA20 for an extra $20 off at checkout. Eligibility is applied in the cart on sihoooffice.com, so add the chair and enter the code before paying to see whether your order qualifies.
What warranty and return terms come with the C300 Pro V2?
Sihoo covers the C300 Pro V2 with a 3-year warranty when you buy from its official US store, plus a 30-day free trial and free US shipping. Sihoo's published warranty policy applies the same 3-year coverage to chairs bought direct.
The finale: sale ends July 12, 2026
The C300 Pro V2 at $429.99, while the sale runs
Disclosure · Chairs on this page link to Sihoo's official US store through our affiliate partnership with Sihoo. Sale pricing and dates come from Sihoo's official Independence Day sale materials. We earn a commission if you buy, at no cost to you.