Cal King Flannel Sheets Costco. Target/home/california king flannel sheets (616). You can also choose from 100% cotton.
Not experienced with it myself, but the one i picked up is supima. King/cal king pinecone electric heated comforter/blanket. Free shipping on orders of $35+ and save 5% every day with your target redcard.
Find great deals on ebay for sheets cal king and cal king sheet set.
1 flat sheet:108×102, 1 fitted sheet:72×84+14, 2 pillowcases:20×40. Shop flannel sheets king at kogan.com, apartmento micro flannel sheet set taupe (king). They still had a ton. Fits mattresses up to 18'' deep.