The adorable Warmies® Marshmallow Grey Boots, make the perfect gift for all ages. Simply warm these luxurious boots in a microwave for the ultimate in comfort and relaxation. Warmies® Boots are made from the very highest quality materials and are great for soothing and relaxing tired aching feet. All Warmies® Boots are now manufactured with extra thick foam soles for added comfort. Available in five contemporary designs and one free size (approx 3/7).