ENCOUNTER-G Oversized Sofa Chair/Ergonomic Design High Back Boss Chair/Household Leisure Lounge Chair/Modern Living Room Bedroom Study Balcony Creative Stool,Red : Amazon.co.uk: Home & Kitchen
Anthropometrics - Chair Ergonomics
Chair ergonomics: how to make a comfortable chair - Australian Wood Review
Reference: Common Dimensions, Angles and Heights for Seating Designers - Core77