The Kalso Earth Peace is a casual women's mary-jane with adjustable velcro strap. Created by a Danish yoga instructor, Kalso Earth shoes were founded on the belief that wellness could be part of everyone's daily existence. Kalso Earth Peace Olive Nubuck Women's Shoe Features include: Elasticized Y-shaped strap for extra comfort Exclusive yoga-inspired Kals sole with gentle incline Made with non-toxic glues and partially recycled materials Packaged in glue-free, uncoated, recyclable shoe boxes Heel Height: 1 1/8 Original Kals negative heel design sets heels slightly lower than toes Mimics walking barefoot in sand by naturally positioning body over frame Better walking motion helps improve posture and reduce joint stress Negative heel sole design developed by a danish yoga instructor,Anne Kals Based on the popular yoga position, mountain pose. Inspired by kasl's belief that wellness - in its most organic form - should be part of an everyday experience