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M4 by Kokuyo

The M4 chair features a unique ‘weight-sensing structure’ that automatically adjusts to fit the user.

M4 by Kokuyo


July 5th, 2013

Kokuyo M4

M4 is an office chair with a hard exterior frame and a soft interior frame that come together to form a distinctive ring shape back that bends along with the increase weight of the user to support the waist.

Kokuyo M4

The secret lies in the ‘weight-sensing structure’, which automatically adjusts the bending degree to support the user without complex operations. Meanwhile, the seat-lifting button is set on the handrail, enabling the user to easily adjust the chair’s height while seated.

Kokuyo M4

In addition, foam with good air permeability, functional groove and double-layer cloth are applied to the seat cushion, providing constant cool for users.


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