size: 4 EUC - worn twice, want to rotate out for something new. We designed this soft, warm long sleeve to be your cold-weather-running companion. The slim fit layers easily under jackets, and wicks sweat away from the skin. rulu™ Stretchy, naturally breathable Rulu™ fabric is sweat-wicking and buttery soft four-way stretch sweat-wicking buttery-soft handfeel naturally breathable features Designed for: Run Reflective hem: Hidden reflective hem details help you stay visible Storage : Secure back pocket to store your essentials Fit : Body Skimming, hip length