Experiment 503 lounge chair

Red-black leather

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.