The shell is of polyurethane foam with glass fibre reinforcement. The shell has an adjustable tilt fitting which can be adjusted to the weight of the individual user. The tilt mechanism is made of steel sheet, steel tubing and spring steel. The adjustment handle is of polished drawn stainless steel. The base consists of a satin chromed, turnable centre part of welded steel tubing (dia38 x 2 mm), a spindle of dia. 28 mm machining steel and a 4-star base in injection moulded aluminium. The leg ferrules are made of moulded black polyamide.
The Egg may be upholstered with fabric or leather (see below).
Length: 79 (95) cm
Width: 86 cm
Height: 107 cm
Total weight: 18,1 kg