Lululemon Sun Shelter Long Sleeve Rash Guard Moss Rose, size small. Runs large. Shield your skin from the sun in this long-sleeve rash guard. Overlapping back panels provide airflow without the risk of falling open when you're paddling on your surfboard. esca™ Quick-dry Esca™ fabric is four-way stretch with UV protection and Xtra Life Lycra® for improved chlorine and salt resistance stands up to chlorine and salt features Designed for: Water