Wonderful slips from I.C. Collections. Slips are a type of undergarment worn beneath a skirts or dresses to help it hang smoothly and prevent chafing. Slips also provide warmth when wearing thin or lightweight material. We have a variety of styles including both full and half slips (half slips hang from the waist and are sometimes called petticoats). We also have simple A-lines, Tea-length, nylon, stretch lace and adjustable slips. Finding the perfect slip for a dress or skirt is easy with a slip from I.C. Collections or Little Zazzy.