Experiment 503 lounge chair

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Experiment 503 lounge chair from Hem is an iconic armchair designed by Yrjö Kukkapuro that blends bold postmodern aesthetics with thoughtful ergonomics. Its expressive shape and decorative armrests create a sculptural impression while inviting long-lasting seating comfort. The armchair is carefully constructed with attention to structural details and body support, making it equally confident in the living room as in a reading nook. Experiment 503 is a timeless design piece that elevates the interior and quickly becomes the focal point of the room.