VITRA Amoebe Highback

https://www.vitra.com/en-us/office/product/details/amoebe-highback 

Amoebe Highback by Verner Panton is a variation of the Amoebe chair. A high backrest forms a protective roof-like structure over the sitter and provides a sense of shelter. With its expressive form, Amoebe Highback makes an eye-catching highlight in any lobby or lounge setting.