Sminiker Reflective Safety Vest with Set of Reflective Bands, High Visibility Neon, Fully Adjustable & Multi-purpose: Running, Cycling, Motorcycle Safety, Dog Walking Stay safe while jogging or doing any outdoor activity at night! This Phantom Fit reflective vest fits securely and is visible up to 1,000 feet. A comfortable fit over sports gear or outdoor clothing. Easily adjustable reflective belt vest to fit a wide range of size and body types makes this an ideal multi- functional piece of reflective gear. It fits over summer and winter clothes and doesn't chafe, men or women. SIZE Medium: - Waist Band Circumference: 26 - 40 inch (66-101cm) | Shoulder Straps: 15 - 21 inch (38-53cm) Waist to Shoulder SIZE Large: - Waist Band Circumference: 32 - 54 inch (81-137cm) | Shoulder Straps: 16 - 24 inch (40-61cm) Waist to Shoulder