If you prioritize a proven track record with a slightly higher user rating and robust, long-term support, the MOLENTS Ergonomic Office Chair is an excellent choice. Ideal for individuals up to 350 lbs seeking extensive customization with 4D armrests and adjustable lumbar support. Its 12-year warranty provides exceptional peace of mind for those investing in a durable, comfortable chair for daily, prolonged use, even with its premium price point. Perfect for professional or home office setups where reliability and satisfaction are key.

The ProtoArc Ergonomic Office Chair is perfect for individuals who require sustained comfort for 8+ hour workdays and appreciate explicit design for long-term use. It suits users up to 350 lbs, offering identical adjustability with 4D armrests and lumbar support, along with a 16-20.5 inch height range. While it's functionally identical to its competitor, its slightly lower price and explicit comfort focus might appeal to those seeking robust ergonomic support with a keen eye on value for a premium chair in a dedicated workspace.