The Ultra Mini Regenerate UGG boots are made of suede sheepskin and embellished with hand-stitched details and a double stitching on the foot collar. The asymmetrical top edge, decorative knotted laces on the front and back, nubuck logo patch on the heel, regenerated wool UGGplush&trade lining and sugarcane EVA sole make these boots both stylish and sustainable. Heel Height = 3 cm