The Medium Outdoor Sheath is part of the Collection France line of sheaths, designed by our long-time partner BIG-GAME design studio. The Medium Outdoor Sheath is made in Savoie, France with a focus on environmentally friendly materials. Using regenerated leather - an eco-conscious material created with waste leather fibers and plant-based materials - the Collection France sheaths are a new sustainable way to carry your favorite Opinel knife.