1948 T. Onraet 100 The ordinary snow pants and parka are made with the least possible openings.
1962 9 Oct. 22 (advt.) Infants' pile snowsuits... Matching, contrasting snowpants.
1978 5 Mar. d1/1 It was still cold and your mother made you put on your coat, hat and mittens, but you could never-mind the ‘snow pants’ by now.