
M.a.S.S.a.S. Armchair
The Moroso M.a.S.S.a.S.
Armchair by Patricia Urquiola encloses a padded seat within a continuous curved back and arms. Bonded upholstery fabric follows its softly drawn outline, with polyurethane foam around an internal steel frame. Black polypropylene glides support the compact form, and the cover can be removed from the upholstered shell.
Every detail, considered.
- Brand
- Moroso
- Collection
- M.a.s.s.a.s.
- Designer
- Patricia Urquiola
- Design year
- 2012
- Descriptor
- Fabric armchair with curved enclosing back
- Country
- Italy
- Materials
- 01Bonded removable upholstery
Polyester fiber and polyurethane reinforce the fabric covering while allowing removal for care.
- 02Steel-framed padded shell
Cold-injected polyurethane forms the enclosing back and arms above polypropylene glides.
This armchair by Moroso encloses a padded seat within a continuous curved back and arms.
Cold-injected polyurethane surrounds the internal steel frame, with polypropylene glides beneath the body. Fabric bonded with polyester fiber and polyurethane defines the upholstered outline. The covering is removable, and this selected armchair is separate from the smaller chair in the collection.
Generated by AI from the manufacturer's specifications and product data. Confirm details with your consultant before ordering.

Italian designer sofas and seating where upholstery expertise meets expressive color, sculptural form and international creative voices.
Patricia Urquiola
Patricia Urquiola studied architecture in Madrid and Milan, graduating under Achille Castiglioni. She worked with Vico Magistretti and Lissoni before opening her Milan studio in 2001. Her practice encompasses industrial design, architecture, interiors and art direction, including collaborations with Moroso, Flos, Driade and Cappellini.
View all pieces by Patricia UrquiolaNot sure about the M.a.S.S.a.S. Armchair? Just ask.
Answers are sent privately to your account.
Questions, answered.

Make sure it fits. Then make it yours.
Before you commit to the M.a.S.S.a.S. Armchair, our studio checks it against your space and walks you through every finish it comes in.
- Footprint checked against your floor planPlus doorways, stairs and clearances
- Leather, fabric and colour chosen with youand more, in the showroom
- We manage the order for youFrom the factory to your door
More from the M.a.s.s.a.s. collection.
More to explore.
Complete the set, from Moroso
Similar pieces, in armchairs
Not quite the one? Tell us what you'd change.
Larger, a lighter leather, a different shape, a gentler price. We look across the makers we work with and come back with pieces that fit.


















