Enter the Muslin Comfort 365 Blanket ($150-$225). The lightweight fabric keeps me cool on hot nights, yet warms me up when I'm chilly. The magic is in the eight layers of 100-percent muslin cotton ...

It’s also very expensive. For the cost of one Big Blanket, you could buy … more than one regular-sized blanket. ... You can use it year-round and stick it at the foot of bed.