Mary Janes (shoes), Mules shoes, mini skirt, mock turtleneck, muffler, mink coat, mittens, moccasins, maternity clothing and miter are clothing items that begin with the letter m.
MamyPoko diapers
mittens (like gloves)
Mudd
H&M is good and also Zaara
mittens
Mackintosh
Marchesa
Maidenform
Moronic is an insult. It begins with the letter m.
magnums
an Olympic sport starting with m is marathon
A salad starting with the letter M could be a macaroni salad.