Imagine a shoe so different it changes how you think about footwear - and exercise.Our Kalsø Negative Heel® Technology™ shifts your weight back, helping you burn calories while strengthening and toning your body. It’s a part of every shoe we design, and part of being good to your whole self.

Earth footwear features Kalsø Negative Heel® TechnologyTM, a unique design that positions your toes higher than your heels. A slight incline of 3.7º is complemented by support through the arch, and a form-fitting cushioned footbed with Gelron2000® memory gel.