Lululemon Warm It Up Long Sleeve Training Running Top Heathered Black Material: Rulu This cozy long sleeve helps you turn up the heat on cold weather runs—go ahead, chase the chill. Rulu™ Stretchy, naturally breathable Rulu™ fabric is sweat-wicking and buttery soft four-way stretch sweat-wicking buttery-soft handfeel naturally breathable No size tag. Measures as approx a size 8-10 In excellent condition. No flaws Measurments are taken flat and are approximate Pit to Pit 18.5” Lenght 23.5”