Size M. Sonoma Goods For Life Perfect Length Button Down Shirt Gray. Whether you wear it tucked in or untucked, you'll look great wearing this button down perfect length shirt. Shirt has been washed and line dried but never worn. -Button front -Lightweight material -Long sleeves -1 pocket -Perfect length (can be worn tucked or untucked) -100% cotton -Machine wash approx measurements underarm-underarm: 23.5" ( flat lay) length: 27.5" 01016 202401101 Sonoma Grey Button Front Untuck or Tuck Men's Shirt