California King Duvet Covers

California king duvet covers engineered for the Cal king footprint only — 108 × 98 in. with longer drop at the foot, proportionate side drape, and clean corners that don’t expose your mattress. Our California king duvet covers are 100% long-staple cotton in 300 thread count percale, double-stitched at every stress point, with 8 interior attachment points and a concealed YKK zipper for solo insert changes. The fit problem, solved Shopping for a California king bed is an exercise in reading fine print. Mattress brands settled on 72 × 84 inches years ago, but bedding manufacturers routinely label standard king covers as “king/cal king” — and the four-inch length gap shows. We don’t bundle sizes. Our California king duvet covers are engineered for the Cal king footprint only: 108 × 98 inches, with longer drop at the foot, proportionate side drape, and clean corners that don’t expose your mattress. Specifications Fiber: 100% long-staple cotton Weave: Percale, 300 thread count Dimensions: 108 × 98 in. (California king only) Attachment points: 8 total — 4 corner ties + 4 mid-side loops Closure: Concealed YKK zipper at the foot opening Construction: Double-stitched at every stress point Pre-shrunk: Yes, mill-finished What’s inside the seams 100% long-staple cotton in a 300-thread-count percale weave, double-stitched at every stress point. Interior ties at all four corners plus four mid-side loops — eight attachment points total — to keep a heavy insert from shifting overnight. The foot opening uses a concealed YKK zipper for a faster insert change, a detail that matters when you’re wrangling 108 inches of fabric solo. California king duvet covers — buying as a set The California king duvet set ships with two king-size pillow shams in matched 300 TC percale fabric and a coordinating flat sheet. Purchasing the set saves roughly 15% versus buying pieces separately. All pieces are pre-shrunk and quality-tested. A note on fit — Cal king vs standard king If your mattress is a standard eastern king (76 × 80), you want our King Duvet Covers instead — four inches wider and four shorter than Cal king. Same surface area, different shape, and the covers do not swap. Measure the mattress before ordering; Cal king is defined by its 84-inch length. How to care for your California king duvet covers Machine wash cold with like colors Tumble dry low The percale surface softens with every wash while holding its crisp, matte hand-feel Iron warm if a pressed finish is desired; percale takes a press well Skip fabric softener — dulls the crisp percale hand California king duvet covers vs king — a size summary SizeDuvet cover dimensionsMattress fit King104 × 90 in.76 × 80 in. California King108 × 98 in.72 × 84 in. Frequently asked questions Are king and California king duvet covers interchangeable? No. Cal king is four inches longer and four narrower than standard king. A standard king duvet cover on a Cal king bed leaves the foot exposed and bags at the sides. Buy the Cal-king-specific cut. What size are California king duvet covers? Ours are 108 × 98 in. — proportional drop at the foot and sides for the 72 × 84 in. Cal king mattress. Do California king duvet covers have a zipper? Yes — a concealed YKK zipper at the foot opening, faster than a button placket when you’re changing a large insert alone. Are California king duvet covers pre-shrunk? Yes, mill-finished. Expect under 2% residual movement on the first hot wash. Complete the California king bed Layer with matching California king bed sheets, coordinated king pillowcases and a California king bed skirt. If you’re looking for these California king duvet covers in a sateen weave or organic cotton, see our 100% Cotton Duvet Covers — available in the Cal king cut.