The Flow Vest Short, is a versatile design with different options of how to wear. So, you get more than one style in one. Made from a Rayon 90% Lycra 10% combination. The Rayon fibres manufactured from wood pulp and agriculture materials causing it to be a very cool breathable material. The Lycra a famous elastic product known for its high standard and quality. The Lycra giving the garment more stability, so that it bounces back after each wash to it's original shape after wear.