Herman Miller Cosm Low Back vs HÅG SoFi

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Herman Miller

Herman Miller Cosm Low Back

$1,345 – $1,820

HÅG / Flokk

HÅG SoFi

$1,689 – $1,979

$344

lower starting price for Herman Miller Cosm Low Back than HÅG SoFi at the brand stores

Differences at a glance

Herman Miller Cosm Low BackHÅG SoFi

Price: $1,345 – $1,820$1,689 – $1,979
Seat height: 14.8–21.4 in (37.6–54.4 cm)395–545 mm (15.6–21.5 in); 450–640 mm (17.7–25.2 in)
Seat depth: 15.9 in (40.4 cm)380–460 mm (15.0–18.1 in)
Load capacity: 350 lb (158.8 kg)300 lb (136 kg)
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"HÅG SlideBack™ armrests: adjust height, width or slide backwards; optional extras (aluminium or plastic); arm height 185-300 mm
Warranty: 12-year, 3-shift warranty, with limited exceptions10-year guarantee against production defects (normal use up to 9 hours per day)

From 3 Herman Miller Cosm Low Back and 2 HÅG SoFi user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the Herman Miller Cosm Low Back or the HÅG SoFi?

The Herman Miller Cosm Low Back is cheaper to start: $1,345 versus $1,689 for the HÅG SoFi at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Cosm Low Back, rated for 350 lb versus 300 lb for the HÅG SoFi.

What do owners mention most?

Recline and tilt for the Herman Miller Cosm Low Back, and design for the HÅG SoFi, based on review summaries.