Size & Fit: no size tag or dot--fits like a size 4.  Material: made with inherently wicking Running luon, also known by its stage name Rulu. Moisture wicking, medium weight and super soft and stretchy.  Condition: excellent used condition: no holes, stains or pilling. Approximate measurements laid flat: Length: 24.5"  Sleeve length: 28.5" Bust (armpit to armpit): 16.25" HOW TO STYLE/DETAILS: classic style from Lululemon featuring a 1/2 zip front, thumb holes to keep sleeves in place while exercising, reflective detailing and a curved hem with a small pocket on the back hip.  From the website: When we suit up for a chilly outdoor run, we want our base layer to be soft, warm and wicking. We made this fitted pullover out of brushed Running luon to be cozy against our skin and to move with us when we pick up the pace.