Comfort: Maximum Comfort with flat, flexible weights that move with your body; weight is adjustable in 1.25-pound increments Breathable: Breathable Shell with padded shoulders for enhanced comfort throughout the workout Slim Fit Design: Body armour inspired slim-fitting design maximizes mobility Reflective: Road Ready with high visibility reflective materials and media player pocket Athletic Fit: Dual Belly Band enclosure ensures athletic fit and function What's in the box 1 x Weight vest with removable weights