Lululemon Serene Stride Dress Style Number: W1BP1S Get outside in this running dress designed to complement the Enlite Bra. With liner shorts, you'll feel covered and ready for wherever the road leads. nulux™ Nulux™ fabric is quick-drying, sweat-wicking, and offers lightweight coverage features Designed for: On the Move Ventilation: Breathable back panel Lycra®: Added Lycra® fibre for shape retention Drop-in pockets: Snug drop-in pocket keeps your phone in place Shine-bright : Reflective detail helps keep you on the radar in low light Believe this is a size 12 - see photos for measurements