The SIHOO Doro C300 Pro Ergonomic Office Chair is built for posture-first comfort during long work sessions. Its dynamic lumbar support automatically adapts as you move, while a breathable mesh back and seat help you stay cool and supported throughout the day. With adjustable seat depth, coordinated multi-direction armrests, and a fit range designed for a wide variety of users, the C300 Pro delivers modern ergonomic performance for home offices and professional workspaces.
The C300 Pro is designed to reduce sitting fatigue by combining self-adaptive lower-back support with a flexible mesh seating system. Key ergonomic adjustments—including seat depth—help you fine-tune your fit so your thighs are supported without pressure behind the knees.
Whether you’re upright for focused work or leaning back for a break, the coordinated recline support and adjustable contact points help maintain balanced comfort and healthy alignment. Built to commercial-minded standards, it’s listed as BIFMA and SGS certified and supports up to 330 lbs.
Compare price, lumbar support, adjustability, recline, and footrest options to find the best fit for healthy posture.
| Feature | SIHOO C300 Pro | SIHOO Doro C300 | SIHOO S300 Ergonomic |
|---|---|---|---|
| Starting Price | Starting $379.88 | Starting $279.99 | Starting $599.88 |
| Best For | Premium adjustability & posture-focused support for long desk days | Everyday ergonomic comfort with excellent value | High-end comfort with “gravity-defying” recline feel |
| Lumbar Support | Dynamic / self-adaptive lumbar support | Self-adaptive lumbar support | Dual dynamic lumbar support |
| Armrests | 6D adjustable | 4D coordinated adjustable | 6D adjustable |
| Headrest | Adjustable | Adjustable | Adjustable |
| Recline | Multi-position recline (lockable) | Ergonomic recline (lockable) | “Gravity-defying” recline mechanism |
| Seat / Back Material | Breathable mesh | Breathable mesh | Breathable mesh (premium feel) |
| Weight Capacity | Up to ~330 lbs (varies by configuration) | Up to ~330 lbs (varies by configuration) | Up to ~330 lbs (varies by configuration) |
| Footrest Option | ✅ Footrest option available | ✅ Footrest option available | — |
| Model | SIHOO Doro C300 Pro Ergonomic Office Chair |
|---|---|
| Weight Capacity | 330 lbs |
| Upholstery | Breathable mesh |
| Armrest Material | Soft PU coated armrests |
| Armrests | 6D coordinated adjustable armrests |
| Lumbar Support | Dynamic (self-adaptive) lumbar support |
| Seat Depth | Adjustable (16.81" – 17.76") |
| Overall Dimensions | 28" W x 28" D x 45" – 51" H |
| Product Weight | 55.34 lbs |
| Max Hip Width | 20.28" |
| Designed User Height Range | 5' to 6'3" |
| Assembly Required | Yes |
| Certifications | BIFMA and SGS (listed) |
Yes. The C300 Pro is designed for long workdays with breathable mesh, dynamic lumbar support, and adjustable seat depth to reduce fatigue.
Yes. It features dynamic (self-adaptive) lumbar support that continuously adjusts to your movements to help maintain healthy spinal alignment.
The C300 Pro is designed to fit a wide range of users, typically from about 5′ to 6′3″, and supports up to 330 lbs.
Yes. The chair includes 6D coordinated armrests that adjust in multiple directions to support typing, upright sitting, and reclining positions.
Yes. Most users complete assembly in about 15 to 25 minutes using the included instructions and tools.
Yes—both the SIHOO Doro C300 Pro and SIHOO Doro C300 offer a footrest option. The SIHOO S300 does not list a footrest option.
The SIHOO Doro C300 Pro Ergonomic Office Chair is built for posture-first comfort during long work sessions. Its dynamic lumbar support automatically adapts as you move, while a breathable mesh back and seat help you stay cool and supported throughout the day. With adjustable seat depth, coordinated multi-direction armrests, and a fit range designed for a wide variety of users, the C300 Pro delivers modern ergonomic performance for home offices and professional workspaces.
The C300 Pro is designed to reduce sitting fatigue by combining self-adaptive lower-back support with a flexible mesh seating system. Key ergonomic adjustments—including seat depth—help you fine-tune your fit so your thighs are supported without pressure behind the knees.
Whether you’re upright for focused work or leaning back for a break, the coordinated recline support and adjustable contact points help maintain balanced comfort and healthy alignment. Built to commercial-minded standards, it’s listed as BIFMA and SGS certified and supports up to 330 lbs.
Compare price, lumbar support, adjustability, recline, and footrest options to find the best fit for healthy posture.
| Feature | SIHOO C300 Pro | SIHOO Doro C300 | SIHOO S300 Ergonomic |
|---|---|---|---|
| Starting Price | Starting $379.88 | Starting $279.99 | Starting $599.88 |
| Best For | Premium adjustability & posture-focused support for long desk days | Everyday ergonomic comfort with excellent value | High-end comfort with “gravity-defying” recline feel |
| Lumbar Support | Dynamic / self-adaptive lumbar support | Self-adaptive lumbar support | Dual dynamic lumbar support |
| Armrests | 6D adjustable | 4D coordinated adjustable | 6D adjustable |
| Headrest | Adjustable | Adjustable | Adjustable |
| Recline | Multi-position recline (lockable) | Ergonomic recline (lockable) | “Gravity-defying” recline mechanism |
| Seat / Back Material | Breathable mesh | Breathable mesh | Breathable mesh (premium feel) |
| Weight Capacity | Up to ~330 lbs (varies by configuration) | Up to ~330 lbs (varies by configuration) | Up to ~330 lbs (varies by configuration) |
| Footrest Option | ✅ Footrest option available | ✅ Footrest option available | — |
| Model | SIHOO Doro C300 Pro Ergonomic Office Chair |
|---|---|
| Weight Capacity | 330 lbs |
| Upholstery | Breathable mesh |
| Armrest Material | Soft PU coated armrests |
| Armrests | 6D coordinated adjustable armrests |
| Lumbar Support | Dynamic (self-adaptive) lumbar support |
| Seat Depth | Adjustable (16.81" – 17.76") |
| Overall Dimensions | 28" W x 28" D x 45" – 51" H |
| Product Weight | 55.34 lbs |
| Max Hip Width | 20.28" |
| Designed User Height Range | 5' to 6'3" |
| Assembly Required | Yes |
| Certifications | BIFMA and SGS (listed) |
Yes. The C300 Pro is designed for long workdays with breathable mesh, dynamic lumbar support, and adjustable seat depth to reduce fatigue.
Yes. It features dynamic (self-adaptive) lumbar support that continuously adjusts to your movements to help maintain healthy spinal alignment.
The C300 Pro is designed to fit a wide range of users, typically from about 5′ to 6′3″, and supports up to 330 lbs.
Yes. The chair includes 6D coordinated armrests that adjust in multiple directions to support typing, upright sitting, and reclining positions.
Yes. Most users complete assembly in about 15 to 25 minutes using the included instructions and tools.
Yes—both the SIHOO Doro C300 Pro and SIHOO Doro C300 offer a footrest option. The SIHOO S300 does not list a footrest option.
The SIHOO Doro C300 Pro Ergonomic Office Chair is built for posture-first comfort during long work sessions. Its dynamic lumbar support automatically adapts as you move, while a breathable mesh back and seat help you stay cool and supported throughout the day. With adjustable seat depth, coordinated multi-direction armrests, and a fit range designed for a wide variety of users, the C300 Pro delivers modern ergonomic performance for home offices and professional workspaces.
The C300 Pro is designed to reduce sitting fatigue by combining self-adaptive lower-back support with a flexible mesh seating system. Key ergonomic adjustments—including seat depth—help you fine-tune your fit so your thighs are supported without pressure behind the knees.
Whether you’re upright for focused work or leaning back for a break, the coordinated recline support and adjustable contact points help maintain balanced comfort and healthy alignment. Built to commercial-minded standards, it’s listed as BIFMA and SGS certified and supports up to 330 lbs.
Compare price, lumbar support, adjustability, recline, and footrest options to find the best fit for healthy posture.
| Feature | SIHOO C300 Pro | SIHOO Doro C300 | SIHOO S300 Ergonomic |
|---|---|---|---|
| Starting Price | Starting $379.88 | Starting $279.99 | Starting $599.88 |
| Best For | Premium adjustability & posture-focused support for long desk days | Everyday ergonomic comfort with excellent value | High-end comfort with “gravity-defying” recline feel |
| Lumbar Support | Dynamic / self-adaptive lumbar support | Self-adaptive lumbar support | Dual dynamic lumbar support |
| Armrests | 6D adjustable | 4D coordinated adjustable | 6D adjustable |
| Headrest | Adjustable | Adjustable | Adjustable |
| Recline | Multi-position recline (lockable) | Ergonomic recline (lockable) | “Gravity-defying” recline mechanism |
| Seat / Back Material | Breathable mesh | Breathable mesh | Breathable mesh (premium feel) |
| Weight Capacity | Up to ~330 lbs (varies by configuration) | Up to ~330 lbs (varies by configuration) | Up to ~330 lbs (varies by configuration) |
| Footrest Option | ✅ Footrest option available | ✅ Footrest option available | — |
| Model | SIHOO Doro C300 Pro Ergonomic Office Chair |
|---|---|
| Weight Capacity | 330 lbs |
| Upholstery | Breathable mesh |
| Armrest Material | Soft PU coated armrests |
| Armrests | 6D coordinated adjustable armrests |
| Lumbar Support | Dynamic (self-adaptive) lumbar support |
| Seat Depth | Adjustable (16.81" – 17.76") |
| Overall Dimensions | 28" W x 28" D x 45" – 51" H |
| Product Weight | 55.34 lbs |
| Max Hip Width | 20.28" |
| Designed User Height Range | 5' to 6'3" |
| Assembly Required | Yes |
| Certifications | BIFMA and SGS (listed) |
Yes. The C300 Pro is designed for long workdays with breathable mesh, dynamic lumbar support, and adjustable seat depth to reduce fatigue.
Yes. It features dynamic (self-adaptive) lumbar support that continuously adjusts to your movements to help maintain healthy spinal alignment.
The C300 Pro is designed to fit a wide range of users, typically from about 5′ to 6′3″, and supports up to 330 lbs.
Yes. The chair includes 6D coordinated armrests that adjust in multiple directions to support typing, upright sitting, and reclining positions.
Yes. Most users complete assembly in about 15 to 25 minutes using the included instructions and tools.
Yes—both the SIHOO Doro C300 Pro and SIHOO Doro C300 offer a footrest option. The SIHOO S300 does not list a footrest option.
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