EUC Oiselle Lightning Layer Tank Size Small/Medium Orange and Gray Reflective panels at chest, hip, and back Racerback design Side zip pocket Cinch cord at waist for adjustable fit PtP- 16.5" with room to stretch Length- 21" The Lightning Layer Tank can be worn by itself, over a sports bra, or over other layers. Great piece to keep in your car, in your relay kit (safety vest), or anytime you need extra light to light your way.