Currently,nearly every famous camp hammock brand are having their own camp blanket, like ENO, Kammock, Lawson hammock, wise owl etc.
Why ?
Because a good warm camp blanket is a good fit to hammock business extension.
It is a blanket in structures of three layers:
the bottom is waterproof durable 210d oxford fabric,
middle filled with 2 mm thick cotton insulation
the top is soft polyester fleece.
It supplies a gap in the market for a warm and sand-free beach blanket.