Mountain gorillas recover from near extinction. They inhabit the cold mountains of central Africa and have been reclassified from seriously endangered to threatened as their population exceeded 1,000. Slowly but surely a new future is emerging for these majestic apes. To inspire others to follow in our footsteps, these designs highlight WWFs efforts as a tribute to recent positive green trends and major milestones in the conservation process. From 2022 to 2024, for every Happy Socks x WWF product sold Happy Socks will donate 10 percent of net proceeds to WWF, with a guaranteed annual contribution of $100,000. All children's models are made of organic cotton. All gift wrap and tags are made from sustainable, uncoated paper. Available in matching models for adults and children. Reinforced heel and toe. Organic combed cotton. Recycled polyamide. 86 Percent cotton, 12 percent polyamide, 2 percent elastane.