Size & Fit: size 6 fits true to size or like a medium. Material: body: 100% cotton, rib trim: 97% cotton, 3% elastane, contrast: 95% cotton, 5% elastane. Medium wegith woven material. Condition: excellent used condition: no holes or stains. Normal wear from washing.   Approximate measurements laid flat: Length: 27" Sleeve length: 26.5" Bust (armpit to armpit): 18.5" HOW TO STYLE/DETAILS: classic style from Lululemon features a cowl neck, front kangaroo pocket with mesh pockets inside and a flattering long line cut.