Buy from Amazon : http://www.amazon.com/gp/product/B004WXAG6O?tag=wayofcats-20
Military Style Nylon Rip-Stop Poncho Liner - 62 x 82 Woodland Camouflage
Made from 100 Rip-Stop Waterproof Nylon Material
Quilted With Fiberfill Insulation
Extremely durable high quality made to last
Fits under many ponchos With drawstrings ties
These military poncho liners makes ponchos warmer and more comfortable Great for use in mild conditions