You'll work out tomorrow. The Sammie Bra is tight fitting throughout and has a double layered bodice with elastic at the waist for added support. It's made of soft stretchy fabric that fits your body just right and is breathable. EcoStretch is a velvety performance fabric that's soft and stretchy for low-impact activities. The Sammie Ecostretch Bra pairs well with the - Cross back straps - Double layer - Elastic at waist - Soft handfeel - Stretchy fabric - Sustainably made from recycled plastic bottles