If you're looking for high-top cozy fleece slippers for toddlers or moc slippers, you can shop them all via TopOfStyle. Since 1973, Acorn has offered boots and slippers for winter. The founder, David Quinn, says that the footwear is symbolic of the spirit of the winter in Maine, where it originated. They make use of sustainable materials to promote using recycled materials. Spanish red, rusty red, rose red, light red, dark red, tomato red is some popular shades of red.