Pacific Coast Sealy Posturepedic Luxury Wool Fleece California King Mattress Pad All natural lamb's wool fleece mattress pad Excellent insulating qualities for warmth in winter and cool in summer Washed and pre-shrunk for a secure fit and long-lasting comfort ReliaGrip spandex skirt snugly attaches to mattresses up to 16 inches thick California King, 84 inches long by 72 inches wide