Removes moisture 10X better than the leading brand * Soft and cozy breathable fabric allows excess body heat and moisture to escape * Moisture wicking comfort liner wicks moisture away from baby to keep baby dryer * Two zipper pulls from top down and bottom up for easy diaper changing, Zipper cover keeps zipper from touching baby"s neck * Generous sack design allows room for kicking, but can?t be kicked off so baby stays comfortable