The limited edition Borneo orangutan sock, only 1,000 made. A partnership between Critically Endangered Socks X Friends of the National Parks Foundation. Made from a soft and sustainable blend of cotton and bamboo, each pair comes with an endangered animal fact sheet in a bespoke recyclable box. Friends of the National Parks Foundation: We're helping this NGO safeguard rainforest in Borneo. Protecting the critically endangered Borneo Orangutan's habitat from illegal logging and palm oil plantations. For every Borneo Orangutan pair that’s bought, we work with the NGO to protect 80 square metres of Borneo rainforest habitat.