Polyetherester elastomers comprising about 25 to about 59 weight percent poly(trimethylene ether) ester soft segments and about 41 to about 75 weight percent hard segments, wherein the poly(trimethylene ether) ester soft segments are derived from poly(trimethylene ether) glycol having a number average molecular weight of about 600 to about 2500. Compositions thereof and articles made therefrom are disclosed.