Be ready for outdoor adventures even when the mercury dips in these winter boots from adidas by Stella McCartney. Covered in a specially designed floral print, these COLD.RDY boots are water-repellent and will keep you warm and dry. This vegan pair is made in part with 50% Parley Ocean Plastic™ – upcycled plastic waste intercepted on shorelines and coastal areas, preventing it from polluting our oceans.