So comfy it's like you're walking on clouds.The upper is constructed with a warm vegan sherpa material that is both recyclable and machine washable. Like all OOFOS products, it has our unique one-of-a-kind OOfoam™ technology that absorbs impact, so your body doesn't have to. Add in the patented footbed design that cradles and supports arches and you'll recover faster. Active recovery with the soft, cozy warmth you desire in a versatile hygge style.