Cassina LC4 Per Leather 'Durable' Hair-on Version: A Reinterpretation with Texture on the Continuous Adjustment Chaise Longue

A Lounge Chair that 'Mechanically' Supports the Body's Curves

LC4 (4 Chaise longue à réglage continu) is, as the phrase 'continuous adjustment' literally suggests, a chaise longue where users can smoothly shift their posture to any desired angle. This product is a version from Cassina's LC4 Durable line that applies hair-on leather, and while maintaining the same structure, it emphasizes the presence of the surface. While maintaining the combination of the industrial lines inherent in the original and the curves of the human body, the 'impression upon touch' moves to the forefront of the design experience.

How Cassina Creates the 'Original'

Through its iMaestri collection, which republishes furniture by 20th-century masters, Cassina is understood as a brand that has managed 'accuracy' not merely through reproduction but also in manufacturing, rights, and nomenclature. Particularly with models by Le Corbusier, Pierre Jeanneret, and Charlotte Perriand, the company emphasizes in its own archives that Cassina has secured exclusive production rights and continued collaborations (authenticity). The LC4, in this context, hinges the product's credibility on the question: 'By whose standard and with what details should we produce this iconic form?'

1928 Design, 1960s Industrialization, and the Durable Edition

The LC4 is known to have been designed in 1928 and introduced at the 1929 Paris Salon d'Automne, and is also recorded as a representative chaise longue of its era in contemporary design collections (Salon d'Automne 1929, MoMA Collection). Cassina notes on its product page that it established this design in its production system from 1965 onwards (Cassina Production Context). The Durable hair-on version, upon this 'original,' elevates the leather's grain, the direction of the hair, and tonal differences as part of the design, increasing visual density.

Form Remains the Same, Sensation Differs: LC4's 'Frame-Cushion Separation' Structure

The essence of the LC4 is a three-layer setup where a curved frame sits upon a base, and a cushion is placed on top of that frame. Thanks to this separated structure, angle adjustment is felt not as a 'joint click' but as a 'shift in balance.' Hair-on leather finds its distinct role here. Even with the same human body lines, the hair grain creates subtle shadows and friction that makes the sensation of postural change more pronounced compared to smooth leather. Furthermore, the reflection of the chrome frame, the weight of the black base, and the hair-on pattern read as a single entity, strengthening the object quality (Product reference information: materials & finishes).

Post-Installation Landscape: How the Pattern Becomes a 'Point Surface' in the Space

According to buyer installation examples, after delivery was completed on December 1, 2025, the setup was configured with a white/black/brown (13Z229) combination and black leather headrest. The bicolor hair-on reads as a surface even from a distance, serving to anchor the spatial center axis like a rug or table. The structure itself is low and extends horizontally, creating the impression of a 'horizontal point' where the eye rests without obscuring the wall.

What Spaces Suit This Piece

The LC4 hair-on leather version is less a 'comfortable chair' and more a piece of furniture that translates the act of rest into design language. In window lounges, a corner of a study, or gallery-like spaces with openness, the hair-on pattern operates without excess. Conversely, if a small living room already has many materials and patterns, the LC4's surface can take over the visual center excessively, so it's better to keep the surroundings orderly. Product information is available at the product purchase location.

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