gray sweater measurements show length when flat and pit-to-pit, with closeup of texture the tags bothered me so I removed them, but I believe it is 70% cotton, 30% modal--very soft. was "one size" and I would call it a medium, but because of the loose knit, it can stretch (and will be shorter if stretched wider) should be washed in a mesh bag to protect it from snagging, and dried flat