When you slip on the Nightfall Vest, you never have to worry about if the sun is high in the sky or has already set. The 360-degree reflectivity and 1,200 foot visibility vest is made of breathable mesh and fits perfectly to your figure. 1,200-foot visibility and 360-degree reflectivity makes this perfect for morning or nighttime activities. The lightweight breathable vest with adjustable side buckles allow for you to tighten the vest to your figure.