Lululemon Metal Vent 1/2 zip pullover heather gray size Large This lightweight layer is in great condition with no holes, stains or pilling. It's made of a stretchy polyester/nylon blend. There is a reflective strip (shown in the 1st picture) down the front zipper. Seamless construction, anti-stink technology, and strategic venting make this half zip training-session ready. Lightweight sweat wicking fabric is 4 way stretch. Silverescent technology, powered by X-STATIC, is anti-stink and keeps your shirt fresh smelling. Mesh venting encourages airflow and keeps you cool. Seamless construction reduces bulk to help prevent chafing 52% polyester, 45% nylon, 3% X-STATIC nylon. Shoulder to hem 25.5" Pit to pit 21" loc 3