Very nice little half sleeve v-neck top! Very fitted. This is a must-have as a basic top! Stretchy. 95% Cotton, 5% Spandex JUNIOR SIZING. PLEASE SEE MEASUREMENTS. Sizing Tip: Grab a similar item that you already own, lay it flat & measure straight across from armpit to armpit, at the seams. Then compare to the measurements provided below. Approximate Measurements (lying flat, no stretch): REGULAR: Small Armpit to armpit- 14" Length- 23.5" Medium Armpit to armpit- 15" Length- 24" Large Armpit to armpit- 16" Length- 24.5" Model: 5'6, 118 lbs, 25" waist, 35" hips, 32D. Wearing size small.