'A dream come true': Sihoo Doro C300 Pro V2 ergonomic office chair offers adaptive lumbar support, 8D armrests and a 135-degree recline, and it's a price cut in the Labor Day and back-to-school sale

When you spend much of the day at a desk, investing in an ergonomic office chair can be money well spent. And one of our favorites is the Doro C300 Pro V2, currently $400 (was $500) at Sihoo in the Labor Day sale when you combine codes BTS20 and WELCOME10.Testing this desk chair, we found it comfortable, highly adjustable, and very well built....