Details, Size & Fit. Recommended for running and training. You'll always be ready for an active lifestyle with Lorna Jane and The ir comfy and stylish designs.Crafted from stretch lightweight fabric, The Energy Tank willmake your long-distance travels easier thanks to its relaxed fit and comfortable design. Our model.is wearing a size small tank. 2 way stretch lightweight fabric Relaxed fit Black V-neckline Sleeveless design.Cold wash. fabric / material: NA.Materials: 65% Polyester & 35% Viscose.SKU: LO569SA54PCF.