Moomin Collaboration Printed Socks. Stripe and Moomin design made 98% GOTS certified organic cotton and 2% elastane by People Tree Fair Trade producer partner Bulus socks.Print: The Moomin Family (Moominpappa, Moominmamma and their son Moomintroll), are trolls who live in magical Moominvalley along with Snufkin, Little My, Snorkmaiden and many others. Their Finnish creator, Tove Jansson (1914-2001), wrote and illustrated many Moomin books and comic strips, beginning with The Moomins and the Great Flood in 1945.Material: 98% organic certified cotton, 2% elastane for comfort and fit. Vegan. Extra soft organic cotton. Our organic cotton is grown using methods and materials that have a low impact on the environment with systems in place to replenish and maintain soil fertility, reduce the use of toxic and persistent pesticides and fertilisers, and build biologically diverse agriculture.