L/S Oshkosh Top shoulder to base measures approx. 21 1/2"; lying flat across chest pit to pit is 12" (totaling 24" all around including both front & back, unstretched);
top out shoulder seam to wrist opening is 17". S/S Carter's Top shoulder to base measures approx. 24"; lying flat across chest pit to pit is 12"
(totaling 24" all around including both front & back, unstretched). Reminder, both are knit Cotton - so will stretch somewhat for extended fit.
Preowned condition: see photos (no stains, rips nor tears; minimal typical usage wear).
Daughter simply outgrew. Smoke-free home.