- fleece interior - soft suede sole - elasticated ankle - promotes learning to walk In blue and white colors... Our model of Rabbit cotton slippers tells the story of the life of a rabbit who loves to dream on his swing in the moonlight! The upper of the slipper is made of cotton twill lined with very soft, fleecy cotton to protect little feet. The suede sole (turned cowhide leather) is lined with a very thin, padded insole. Each pair of cotton slippers comes in a natural, reusable burlap bag.