Cassina LC4 Per Leather 'Durable' Hair-On Version: A Reinterpretation with Texture on the Continuous Adjustment Chaise Longue
A Lounge Chair that Supports Body Curves 'Mechanically'
LC4 (4 Chaise longue à réglage continu) is, as the name 'continuous adjustment' suggests, a chaise longue where users can smoothly adjust their posture to any desired angle. This product is a version from Cassina's LC4 Durable line with hair-on leather applied, emphasizing the presence of the surface on the identical structure. While maintaining the combination of the prototype's industrial lines and human body curves, 'the impression when touched' comes to the forefront of the design experience.
How Cassina Makes the 'Definitive Version'
Cassina is read as a brand that has managed 'accuracy' in production, rights, and nomenclature—not just simple reproduction—through the iMaestri collection, which republishes furniture by 20th-century masters. In particular, the models by Le Corbusier, Pierre Jeanneret, and Charlotte Perriand emphasize in the company's archives that Cassina has secured exclusive production rights and maintained collaborations (authenticity). For LC4 as well, 'whose standards to follow and what details to implement in the iconic form' determines the product's credibility.
1928 Design, 1960s Industrialization, and the Durable Edition
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 the era in contemporary design collections (Salon d'Automne 1929, MoMA Collection). Cassina notes on the product page that it established this design in its production system from 1965 (Cassina production context). The Durable hair-on version elevates the leather's grain, direction of fur, and tonal differences as part of the design on top of this 'definitive version,' increasing visual density.
Form Remains the Same, Sensation Changes: LC4's 'Frame-Cushion Separation' Structure
The essence of LC4 is a three-tier layer where a curved frame sits on a base, and a cushion is placed on top. Thanks to this separated structure, angle adjustment is felt as 'a shift in balance' rather than 'a click of a joint.' Hair-on leather takes on a clear role here. Even with the same human body line, when the surface is hair-on leather rather than smooth leather, the grain of the fur creates subtle shadows and friction that make the sensation of postural change more distinct. Additionally, as the reflection of the chrome frame, the weight of the black base, and the pattern of the hair-on leather read as one piece, the object quality strengthens (product reference information: materials & finishes).
Spatial Views After Installation: How the Pattern Becomes a 'Point Plane' in the Space
According to purchaser installation cases, after delivery completed on December 1, 2025, it was set up with the White/Black/Brown (13Z229) combination and black leather headrest configuration. The color contrast of the hair-on leather is read as a plane even from a distance, playing a role in anchoring the central axis of the space like a rug or table. Since the structure itself is low and extends lengthwise, it leaves an impression of creating a 'horizontal point' where the gaze rests without blocking the wall surface.
What Spaces Does It Suit?
The LC4 per leather version is closer to furniture that organizes the gesture of rest as a design language, rather than simply 'a comfortable chair.' In spaces with openness like a window lounge, a corner of a study, or a gallery, the pattern of hair-on leather functions without excess. Conversely, if a small living room already has many materials and patterns, LC4's surface could take over the visual center excessively, making it better to keep the surroundings neat. Product information is available at the product purchase page.
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