Disclosed are compositions comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined with a short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, which have a combination of enhanced gas transmission and absorption properties and antifog properties. Films and laminate structures comprising these compositions have excellent gas (e.g. oxygen, water vapor, etc.) absorption and transmission and antifogging properties.