Increase resistance to your workout with the All Pro weight vest. With a special design to allow unrestricted movement during exercise with contour-foam padding that provides additional protection for chest, shoulders, upper back, spine, waist, and the entire inside of the vest. Designed with secure flaps to keep weight secure and the ability to add or remove weight for progressive weight training purposes. Included the maximium weight, one size fits all. Available in 20 or 40 lb. weights, both adjustable in 1/2 lb. increments.