This Pyrenees Medium Warmth Goose Down comforter is filled with 40 total ounces of goose down. This duvet will give you a medium level of warmth, with its fill power of 600. Fill power indicates how many cubic inches of space an ounce of down will occupy, and anything at the 600 level is considered to be very high standard. The Pyrenees comforter is made with a 14 inch baffle box design. The shell features an attractive stripe pattern and is made from 100% cotton and features a 400 thread count.