The armrests I feel also a little successful, as too hard. A gum might have given optical prints, but increases the Armkomfort significantly. The lumbar support is indeed variable adjustable, the construct itself but seems to me not very ergonomic and also exaggerated hard.
Last major criticism is the power relation. Feels compared to a cheap and uncomfortable upholstered chair at a comfortable feeling you look in this manner totally in vain. It may be breathable, but is felt as a reference for the backrest and seat pan just uncomfortable.
Everything is certainly taste and feeling thing that most people will also not come from their dimensions forth to the load limit of the chair as I do. Felt from the very beginning not well, but to escape the extremely arduous return shipping, I really tried everything to make friends with the chair. In vain.
Topic return shipping:
Desk chairs are generally not intended for a later disassembly, you can not get the corresponding gas spring from the hub and the seat and thus the whole business no longer fits then in the shipping box. Amazon allows kindly return shipment in two boxes, but the whole affair has beaten here a day cost us unfortunately.
Conclusion (at least for people my size and weight):
Identify Dear somewhere locally a suitable chair through extensive testing and then possibly looking online for an affordable offer. Otherwise, you are here with a little bit unlucky equal a whole bunch of problems a.