Details. The Efron Vest is a classic vest, designed with a slim fit to hug the body for a slick, modern look. Made from stretchy waffle jersey fabric, it’s a comfortable and versatile layering piece. The vest features contrasting stitching throughout and our “keep it moving” label at the bottom edge, adding subtle yet stylish details to the design. Perfect for layering or wearing on its own. Fabric Care. 95% Cotton 5% Elastane