Hay X-Line Chair Seat Cushion

Hay X-Line Cushion.

Timeless design with an industrial edge.

The X-Line Chair by HAY is a lightweight and elegant chair that effortlessly balances functionality and refined design. The sleek, powder-coated steel frame is shaped like a geometric X – a subtle nod to industrial aesthetics and a construction that offers a surprising amount of stability.

Originally designed in 1977 by Danish architect Niels Jørgen Haugesen, the X-Line was produced for many years by Magnus Olesen. In 2025, HAY relaunched this design classic – to the delight of design enthusiasts worldwide.

The X-Line Cushion is designed to add extra comfort and functionality to the X-Line Chair. Formed to fit the seat perfectly, the slightly padded cushion features an anti-slip back to keep it securely in place. Crafted in fabric with a water-repellent finish, the cushions are available in different colour options and can be used all year round..

Dimensions: H2 x W42.5 x L39
Material: water resistant outdoor fabric, filling and anti slip.

Clean with a damp cloth or neutral detergent. Remove soap residue immediately with a dry cloth. Do not use abrasives. 

About the designer

Niels Jørgen Haugesen (1936–2013)
After training as a cabinetmaker and architect, Haugesen worked for Arne Jacobsen, among others. In 1971, he started his own studio and became an influential figure in the Danish design world. In addition to his design work, he taught at the Danish Design School for many years. His X-Line design remains a benchmark in functional, minimalist furniture.

The X-Line Chair is more than just a piece of seating furniture – it is a piece of design history that combines elegance and durability with a minimalist character.
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